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PAC RP4.2-TY11 Wiring Interface

Connect a new car stereo and retain factory JBL system, steering wheel controls, and aux input in select 2003-up Toyota, Lexus, and Scion vehicles

Item # 541RP4TY11

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About the PAC RP4.2-TY11 Wiring Interface

PAC's RP4.2-TY11

PAC's RP4.2-TY11 wiring interface lets you install an aftermarket receiver into select 2003-up Toyota, Lexus, and Scion vehicles. The interface works with non-amplified systems, as well as factory JBL and JBL Synthesis amplified audio systems. You'll retain your factory steering wheel control functions and the use of the built-in 3.5 mm auxiliary audio jack. The interface includes wired outputs for navigation radio installation and a 12-volt accessory power lead for your new stereo. Warranty: 1 year.

What's in the box:

  • Radio replacement/SWC interface module (for Toyota/Scion/Lexus)
  • Interface harness
  • Vehicle/Radio harness
  • OBDii connector harness
  • Instructions

Customer reviews

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PAC RP4.2-TY11 Wiring Interface reviews

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Washington, DC on 7/16/2019

2009 Toyota Camry

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Plug and play out the box simply

Pros:

Cons: The insfructions for installation are kind of vague...

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Good unit overall

Fred from Austin, TX on 7/2/2019

2010 Toyota Tacoma

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Fairly easy it install, directions could be much better! I could not figure out how to program the steering wheel buttons just had to use the default and the phone answer button did not function. I found I could program them on my Sony receiver settings and that worked well.

Pros:

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0 of 0 found this helpful

Made it easy

Crutchfield customer from Dublin , OH on 6/17/2019

2011 Toyota Tundra

Verified customer (What's this?)
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The only thing that stops me giving this a 5-star review is that the instructions were a bit vague. That said, the Crutchfield service rep got me straightened out. Made the install easy, and got done in about an hour.

Pros: Everything fit as expected. Crutchfield service was awesome !

Cons: Took a while to figure out that there are extra connectors on each side that don't get used.

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Madison, AL on 6/10/2019

2005 Toyota RAV4

Verified customer (What's this?)
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Everything was professionally wired and plugged into where it jeeded to be. Well worth the money.

Pros:

Cons:

Crutchfield response on

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It works

Crutchfield customer from Houston, TX on 6/10/2019

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Works as advertised.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Easy to use

Crutchfield customer from Savannah, MO on 6/9/2019

2007 Toyota Tacoma

Verified customer (What's this?)
Verified employee purchase (What's this?)

Really easy to hook up the aftermarket radio.

Pros: Instructions are easy to understand.

Cons: Alot of wires to hide.

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make it a breeze to install

Crutchfield customer from Gilbert, AZ on 6/3/2019

2007 Toyota Tacoma

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I was not looking forward to doing this in the Tacoma, but, with the kits they send from Crutchfield, it was SOOOO easy. Thank you

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Westminster, MD on 5/22/2019

Verified customer (What's this?)
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Great product

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Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Boone, IA on 5/15/2019

2006 Toyota Avalon

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Works well in Toyota Avalon. Wired by crutchfield, it was plug and play.

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Northwood, IA on 5/12/2019

2009 Toyota Camry

Verified customer (What's this?)
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Went together as advertised and worked great with no hiccups. My 2009 Camry nex series Pioneer install went smooth and steering wheel controls work as they always have.

Pros:

Cons:

Crutchfield response on

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Poorly made product that didn't even do it's job before burning up!

Crutchfield customer from Kansas City, MO on 5/5/2019

2013 Scion tC

Verified customer (What's this?)
Verified employee purchase (What's this?)

I got the entire interface hooked up and installed for my 2013 Scion TC. The first thing I noticed was my rear speakers weren't working. I had to unplug the amplified option and plug into the non-amplified option to get those to work even though there is a factory amp installed in the car. The steering wheel controls were also not working and before I could sort that out I smelled a burning smell so I quickly turned off the car to investigate. It turns out the smell was coming from the interface itself and something inside the unit had fried. So I returned the defective unit and went another route with much more success. This product is cumbersome and ultimately didn't even do the task it was purchased for before terminating, thankfully, it's own existence. I'm just glad it didn't harm anything in my car or my Pioneer stereo at the same time.

Pros: Absolutely none!!!

Cons: Overly cumbersome, faulty design, poorly made, failure to do the simple task it was made for

Crutchfield response on 5/7/2019
This customer contacted our Customer Support team and set up a return. Purchases from Crutchfield can be returned or exchanged within 60 days.

0 of 0 found this helpful

Makes it simple

Crutchfield customer from Starke, FL on 4/29/2019

2005 Toyota Sienna

Verified customer (What's this?)
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Used this in my 2005 sienna xle limited with jbl/nav system. I was able to retain my steering wheel and amp. I had to jump into the factory wires to retain my backup camera... That was the only reason I knocked it down t a 4 star.

Pros: Retained steering wheel control and amp.

Cons: Did not have a way to retain factory backup camera. For the price they could have added the one connector. Js

Crutchfield response on

2 of 2 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Springfield, VA on 4/28/2019

2006 Toyota Sienna

Verified customer (What's this?)
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Not as clear cut for cars that are older to retain one camera, have to get an additional harness.

Pros: Keeps steering controls

Cons: Does not retain own camera

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0 of 0 found this helpful

Pretty OK

Crutchfield customer from La Crosse, WI on 4/24/2019

2007 Toyota Camry Solara

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Easy to install, but fits so many vehicles you end up with a ton of unised connections.

Pros:

Cons:

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Knoxville, TN on 4/22/2019

2010 Toyota Highlander

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A definite need!

Pros:

Cons:

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Steve from Harrisburg on 4/17/2019

2006 Toyota Tundra

Verified customer (What's this?)
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It worked great for about 6 months them I would loose sound was told by another company the radio needs updated worked good for another 3 months started all over again replaced radio it worked great for 5 months pulled out radio ran it on a bench for 2 days straight not a glitch called PAC they gave me an update for the RP4 interface it would not read the controller because it over 1 year old I had to buy a new one it is a know problem with this and if you get right away you will have to buy a new controller or rewire your whole sy8

Pros: Might work great for awhile

Cons: It will stop working Expensive

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Coraopolis, PA on 4/16/2019

2012 Toyota Tundra

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Verified employee purchase (What's this?)

Wasn't wired correctly half the speakers didn't work had to cut into it in order to get it to work

Pros:

Cons:

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1 of 1 found this helpful

Rear vj

Crutchfield customer from Tuttle, OK on 4/14/2019

2004 Toyota Tundra

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Worked perfectly

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Marcus from Richmond, VA on 4/14/2019

2010 Toyota Tundra

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Plug and play

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Winfield, IA on 4/9/2019

2008 Toyota Tundra

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This harness works great! I cant tell the difference between the stock JBL system and this one

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0 of 0 found this helpful

Finally got it to work

Crutchfield customer from Fresno, CA on 4/8/2019

2007 Toyota Sequoia

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The modules weren't plug and play as anticipated. Worked with tech support multiple times and they couldn't figure out the problem either. I finally got the second one to work after manually programming the buttons.

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1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Calera, OK on 3/31/2019

2004 Toyota Camry Solara

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On my particular model of auto had to use my odb2 port for power. I did not like this but it works great.

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Cons:

Crutchfield response on

0 of 0 found this helpful

Sweet product

Crutchfield customer from Bowie, MD on 3/31/2019

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Works perfectly. Great product. Maintained my steering wheel controls as advertised.

Pros:

Cons:

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Thrilled

Crutchfield customer from Sharpsburg, GA on 3/31/2019

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I was a little overwhelmed when it showed up because of the amount of wires and plugs. I've never wired a stereo and this was not plug and play, but the instructions were clear and everything works perfectly. More than satisfied with this setup.

Pros: Works perfectly

Cons: Tons of unused wires and plugs.

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Ladson, SC on 3/30/2019

2010 Toyota Tacoma

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Talk about easy! Highly recommend this when you do an upgrade.

Pros:

Cons:

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0 of 0 found this helpful

All inclusive kit to retain full factory functionality!

Charles from Destin, FL on 3/25/2019

2005 Toyota Tundra

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Had some issues using this in part to install my Pioneer AVH-4100NEX into my 05 Toyota Tundra with JBL so in my particular instance this wasn't quite plug and play. Thankfully Crutchfield's tech support was quickly able to help me solve the issues I was having with retaining my steering wheel controls. With this PAC I was able to retain 100% of my factory functionality which was absolutely vital. There were about half a dozen wires that weren't needed for my specific application but with tech help I was quickly able to identify those. This is an all inclusive harness that has everything you could possibly need! 5 Stars!

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Does what it says it does

Crutchfield customer from Lost Creek, WV on 3/25/2019

2013 Toyota Highlander

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Retained all my factory features. No complaints

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Ellettsville, IN on 3/24/2019

2010 Toyota Camry

Verified customer (What's this?)
Verified employee purchase (What's this?)

The radio antenna does not work at all. There is a missing adapter piece that combines the two Toyota antennas into a single large jack for aftermarket radios. I'd be happy to provide information on this if requested.

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Crutchfield response on 3/26/2019
Once we saw this review, our Tech Support specialist, AJ, reached out to help this customer. Toyota vehicles have a "diversity" tuning system; the radio has dual AM/FM tuners and it will also have dual AM/FM antennas. Since the new radio can't replicate this with a single tuner, there's no need (or benefit) of combining the two factory AM/FM antennas into one. Just use the larger of the two antennas (only one should fit snug, the other will be smaller and loose).

2 of 2 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Albuquerque, NM on 3/17/2019

2009 Toyota Sienna

Verified customer (What's this?)
Verified employee purchase (What's this?)

I was initially intimidated because this was my first car stereo installation. However, the wiring interface and installation instructions were great. I was able to install the new Sony head unit (including connecting all steering wheel controls) and it worked the first time! This wiring interface also provided input to the "parking brake" and "reverse" signals so that I didn't have to independently tap into them for stereo connection. Overall, very satisfied with this purchase.

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Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Alpharetta, GA on 3/16/2019

2011 Toyota Sienna

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Unfortunately I couldn't get the steering wheel controls to work properly. Tried all the programming steps several times, eventually gave up and needed to finish the installation. The volume works with some other buttons but still kind of a bummer.

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Crutchfield response on 3/19/2019
Once we saw this review, our Tech Support specialist, AJ, reached out to this customer to help him further. We'll either help him get the interface working the way it should, or help him return it for an exchange or refund.

0 of 0 found this helpful

Works well

Tomina from Flagstaff, AZ on 2/24/2019

2010 Toyota RAV4

Verified customer (What's this?)
Verified employee purchase (What's this?)

Works fine with my RAV4 V6 Limited (with JBL sound system). I wish it was made more vehicle-specific though, as it has many unused wires and connectors, and the result is a very bulky package. Luckily there was a lot of space behind the radio, so managed to stuff everything in.

Pros: Works well, allowed me to retain factory amp and steering wheel controls.

Cons: To many unused wires and bulky connectors, for this price I was expecting something more vehicle-specific.

Crutchfield response on

0 of 0 found this helpful

Simple and works great

Kevin from Durham, NC on 2/19/2019

2008 Toyota Tundra

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Very easy to understand diagrams, has all options needed for my Tundra and tucks away easily! Even the colors on the harness were the same as what came with the radio purchased.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Sammy from Raleigh, NC on 2/6/2019

2008 Toyota Sienna

Verified customer (What's this?)
Verified employee purchase (What's this?)

This was great. I payed extra for the pre-wiring so it was just plug and play. Volume and track advancer on the steering controls work just like on the OEM unit.

Pros: It worked first time.

Cons: NONE!!

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Robert from Hollywood, FL on 1/28/2019

2006 Toyota Tundra

Verified customer (What's this?)
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Easy hook up even for a guy like me who isn't super handy. Customer service was fantastic with all my questions and walked me through my few hiccups (because of me not the product). The Pac does everything it said it would do and is still working great!

Pros:

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Crutchfield response on

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Expensive, but also bad. You're going to have trouble installing it.

Dan from Houston, TX on 1/25/2019

2010 Toyota RAV4

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This is an expensive, bad product. My installer had trouble getting the steering wheel controls configured to the right commands. The 'next track' button wouldn't work. Eventually he repeated the same steps to configure the buttons over and over again (about 20 times), and it magically worked on the last try. I'm glad it works now, but it's insane that repeating the same exact steps, over and over, somehow yield different results. The steering wheel controls were being mapped to all the wrong commands each time.

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Crutchfield response on

1 of 1 found this helpful

4 Star, could be 5 with some tweaks

Crutchfield customer from Pooler, GA on 1/21/2019

2011 Toyota Camry

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Would be a 5 star product with some tweaks. First the red power wire is not red, it's bright fuchsia. There is a red wire with a white stripe but that's not the right one. Second the blue wire with white stripe has a tag on it that says System Remote Control- this label is ridiculously confusing as this wire is needed for the non-amplified antenna to receive full power. Nothing in the documentation received says anything about connecting this to the Interface for connector to the aftermarket radio harness. Frustrating after you get everything buttoned back up to learn the radio signal is almost nonexistent! Then have to tear it back apart to connect the wire that really isn't labeled right in my opinion. Make these tweaks and it's a great product!

Pros:

Cons: Wires aren't actual colors- I.E. red power wire is fuchsia not red! Labels on some wires make no sense- see blue wire white stripe issue above.

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Portland, OR on 1/15/2019

2008 Scion xD

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Works perfectly in my Scion xD. I opted for the ReadyHarness service, which allowed me to just plug this in without dealing with fussy cables. No complaints other than the wiring instructions being a little opaque for newbies like me (thus paying for ReadyHarness).

Pros: It works!

Cons: Depending on your comfort level with wiring this thing up, you may want to opt for ReadyHarness service.

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Donald from Tucson, AZ on 1/13/2019

2006 Toyota RAV4

Verified customer (What's this?)
Verified employee purchase (What's this?)

This interface unit worked exactly as advertised. I replaced the JBL in the RAV4 with a Kenwood. Spliced the stereo harness to the interface wiring and the rest was plug n play.

Pros: Adequate instructions.

Cons: None

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Durham, NC on 1/9/2019

2005 Honda Pilot

Verified customer (What's this?)
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Read the directions about 10 times and soldered to the pioneer connector. Any questions I had about the remaining wires were quickly answered by Crutchfield. The steering wheel controls worked as advertised.

Pros:

Cons:

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Expected more.

Mike from Anaheim, CA on 1/7/2019

2007 Toyota FJ Cruiser

Verified customer (What's this?)
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The instructions on this are very difficult to follow. There are many unused connectors. For the price, I was expecting something a bit more specific.

Pros: It worked.

Cons: Difficult to understand directions. Tons of extra wire.

Crutchfield response on

2 of 2 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Toa Baja, PR on 1/5/2019

Verified customer (What's this?)
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Took more than anticipated to program

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Jayson from Lafayette, CO on 1/2/2019

2006 Toyota Tacoma

Verified customer (What's this?)
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This combined with Crutchfield's wiring harness made install of the radio super easy. We only had to connect a few wires manually.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Does the job.

Drew from Minneapolis, MN on 12/31/2018

2004 Toyota Sienna

Verified customer (What's this?)
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Really easy to connect - paid extra for Crutchfield to do the initial wiring and I'm so glad I did. Honestly, it took me about an hour to figure out exactly what this unit was doing and what needed to be connected/what I could just ignore. As others have stated, documentation isn't really thorough. Eventually I just tried it and when it seemed to work out fine, I just jammed everything back into the dash and reinstalled all the panels I removed while hoping for the best. I was thrown off because I think one of the manuals said I should have three clips connected and I only ended up having two...

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0 of 0 found this helpful

Worked ok

James from Belchertown, MA on 12/30/2018

2005 Toyota Camry Solara

Verified customer (What's this?)
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Worked good for the steering wheel controls. Didn't work for the speakers. Said firmware was out of date. Not having a computer was a problem. Just ended up hard wrong the speakers. Now system works great

Pros: Easy of connecting

Cons: Firmware not up to date

Crutchfield response on

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Works, but no microphone support

Crutchfield customer from Latrobe, PA on 12/27/2018

2009 Toyota Corolla

Verified customer (What's this?)
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While this interface works as advertised, the documentation is lacking. It doesn't even have a full wiring diagram to show what each wire does. Also, this unit has NO support for the factory microphone!!! I had to run the mic that came with the head unit until I can figure out how to adapt the factory microphone myself.

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PAC RP4.2-TY11 Wiring Interface

James from Kapolei, HI on 12/19/2018

2007 Toyota FJ Cruiser

Verified customer (What's this?)
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this is option was a must. its all plug and play and had it all wired up with the harness by Crutchfield. money well spent

Pros: it works!

Cons: there are none

Crutchfield response on

0 of 0 found this helpful

Works well

Michael from Lynnfield, MA on 12/18/2018

2008 Toyota RAV4

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Connections were already connected via the Wiring Service.

Pros:

Cons:

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Daniel from San Jose, CA on 12/14/2018

2009 Toyota Prius

Verified customer (What's this?)
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While it works in my 2009 Prius, it has taken four calls to Crutchfield support and significant time searching on the internet to get it operating properly. The documentation is riddled with mistakes and omissions. If you do need to configure the device it can only be done with a Windows application that works intermittently.  There is no longer a wire on the connector for the antenna amplifier, this means no AM radio in the Prius unless I am willing to cut one of the wires to the factory harness and connect it to power myself  The instructions state "Adjustment of the vehicle settings through the original radio's vehicle settings menu will be disabled after installation fo the new radio." What this actually means is that you have to center your fade and balance and set volume to max before removing the factory head uint. Otherwise you will have to use their app with a Windows laptop to change the settings in the device. It has no effect on any other settings in the vehicle as far as I can tell. Also for the Toyota, the Crutchfield instructions say to install a resistor on the factory harness to retain climate control and other functionality on the main car display. If you do this it will cause audio dropouts and other issues, and the RP4 already handles this.

Pros:

Cons: Horrible documentation

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from San Diego, CA on 12/12/2018

2005 Toyota Tundra

Verified customer (What's this?)
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Kept all the functionality of my car buttons while adding the upgraded technology of my new deck! Just follow the color coded instructions and your all good! Great customer service! Installed my new deck in less than an hour.

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Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Jasper, AL on 12/7/2018

2005 Toyota Tacoma

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Nice set

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

shawn from Alliance, OH on 12/7/2018

2010 Toyota Tacoma

Verified customer (What's this?)
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Wiring harness and module were easy to install, with the only hiccup being the parking break wire but thanks to customer support it went well and easy. the new radio housing was a perfect match for the factory dash.

Pros: amazing customer support, walked me right through the install! also used u-tube install videos to speed up the install.

Cons: install instructions could be better...

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Brentwood, CA on 12/3/2018

2005 Toyota Sequoia

Verified customer (What's this?)
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Plug and play!

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Decatur, TX on 12/2/2018

2007 Toyota Tundra

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Steering wheel controls,works like stock. 2007 Tundra.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Sort of ok, but quality not what I expected

Dale from Langhorne, PA on 11/28/2018

2010 Toyota RAV4

Verified customer (What's this?)
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Decided to return the Metra unit and use this instead to simplify the SWC connections on my JBL Toyota. SWC works great, but the Metra unit had better sound. I notice new clipping at moderate volumes that has me endlessly messing with the EQ. Also, the FM signal is weaker so I suspect a voltage drop to the built-in Toyota antenna amplifier - it requires 12v and is sourced by the blue wire indicated for remote power amp turn-on. I'll be pulling the unit again and testing that voltage - if it's low I'll be bypassing the TY11 and running it straight from the red ACC line. I reached out to both techs and to the sales person to ask for their experience with these 2 problems but it's been several days and no response at all which is surprising.

Pros: All-in-one interface device

Cons: sound quality, very weak documentation, decline in FM reception

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Meridian, MS on 11/26/2018

2013 Toyota Highlander

Verified customer (What's this?)
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the first device didn't work so i call Crutchfield and they sent me another one. Second device work. GREAT customer service.

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Crutchfield response on

0 of 0 found this helpful

Easy peasy

Ann from Columbus, NC on 11/16/2018

2004 Toyota Camry Solara

Verified customer (What's this?)
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Everything I needed to replace my car stereo, along with easy instructions. Even a novice (me) can do it. Crutchfield rocks.

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Cons:

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Greg J. from Phoenix, AZ on 10/29/2018

2006 Toyota RAV4

Verified customer (What's this?)
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All the wiring easy to interpret. Had to call about the blue remote wire, great customer support- fast and simple answers.

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Cons:

Crutchfield response on

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It works

alejandro from Longwood, FL on 10/17/2018

2008 Toyota Camry

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It works. I noticed the steering wheel controls can be unresponsive at times. The instructions are not user friendly at all. Fortunately I found a video on YouTube that did a bit of a better job explaining how to wire the unit. Just color match the wires when you are splicing them together with your head unit's harness.

Pros: Get access to your factory steering wheel controls

Cons: can be laggy Poorly thought out instructions

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Bellefonte, PA on 10/14/2018

2008 Toyota Tundra

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Very easy installation

Pros:

Cons:

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Major help

Brandy from Irmo, SC on 10/12/2018

2007 Toyota Sequoia

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This wiring kit includes everything that I needed to make the install easy. Everything was made simple with easy to understand directions and quick install connectors. It saved a lot of time and money by offering all together as a kit.

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Cons:

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PAC RP4.2-TY11 Wiring Interface

Jose from Bakersfield, CA on 9/20/2018

2009 Toyota Tacoma

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Not much to say, their technicians tell you which one to get and it worked. 2009 Tacoma with steering controls and it all hooked up well. Just had to figure out the rear view camera on my own because it fed into my rear view mirror but googled it and it's an easy fix.

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PAC RP4.2-TY11 Wiring Interface

Joe from Portland, OR on 9/19/2018

2006 Toyota Tundra

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Product worked for what I needed. Instructions for some of the wiring like backup camera could have had more detail.

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from North Royalton, OH on 9/17/2018

2012 Toyota Tacoma

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This did not connect 100% of my native controls on my 2012 Tacoma. This was not a simple plug-n-play and instructions were a bit limited. My truck's built in microphone doesn't work with this system either. The steering wheel buttons work, after some trouble shooting on my own.

Pros:

Cons:

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Marvelous Product

Eric from Tualatin, OR on 9/10/2018

2005 Toyota Corolla

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This thing is state of the art and my friends at Crutchfield support helped me get it installed correctly.

Pros: Easy install and interface

Cons: None

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Lawrenceville, GA on 9/3/2018

2005 Toyota Tundra

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Well worth it!

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Greg from Middletown, MD on 9/3/2018

2012 Toyota Tacoma

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Its a harness and interface, it works steering controls work as expected. Lotta stuff to cram behind the dash.

Pros:

Cons:

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A must have for steering wheel controls

Gary from Athens, TN on 8/26/2018

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Three stars because mine didn't auto program and I had great difficulty going through the steering wheel control program setup. It took numerous attempts for it to work although some of that was probably a learning curve for me. At any rate I thought I was getting a unit that was plug a play. Also, like some others have mentioned, no luck with the firmware update. Maybe Crutchfield could start updating these units before shipping to the customer. If you are buying this harness, realize it is very generic and you may have many wires and connections that are unused.

Pros: Once you get it to work it functions flawlessly.

Cons: Unit did not auto program to steering wheel controls and manual programing took several attempts. Generic harness with many unused wires and connections you are forced to deal with.

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PAC RP4.2-TY11 Wiring Interface

Martin Tobias from Oroville, CA on 8/20/2018

2009 Toyota Matrix

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light on documentation, seems to work well, though

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Wayne, NJ on 8/20/2018

2006 Toyota Tundra

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Easy to follow install. Everything works

Pros:

Cons:

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Worth It

Crutchfield customer from Maple Valley, WA on 8/13/2018

2012 Toyota Prius

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Pretty Much Plug and Play. I put some tape over the dip switches as I hit them on attempt 1

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Shelbyville, TN on 8/12/2018

2013 Toyota Tundra

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Perfect harness for an easy install

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Calhoun, GA on 8/2/2018

2005 Toyota Tundra

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Would give 5 stars, but have had trouble getting the volume controls on the steering wheel to work. 2005 Tundra.

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Manorville, NY on 8/1/2018

2017 Toyota 86

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Works exactly as intended, just find a good place to mount it (I mounted mine on the bottom on my head using) because if there too much room for it to move, it will sound like there rattling in the dash.

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Bill from Augusta, GA on 7/31/2018

2006 Toyota Camry Solara

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The interface module worked flawlessly, but took a while to figure out. I ended up not using a number of wires and connections. This would be much easier to install and reduce the jumble of wires behind the radio if it were more specific to the vehicle.

Pros: Worked flawlessly

Cons: a lot of unneeded wires and connections for my vehicle

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Works ok, once I bypassed the remote device 12v leads.

Crutchfield customer from Haverford, PA on 7/29/2018

2018 Toyota Tundra

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I had problems with radio reception that, as of now, I've traced back to this unit. My 2005 4Runner / non-JBL has an antenna amp that requires 12v. The PAC Audio instructions say to wire the remote lead from the radio into two wires on the harness that goes into the RP4.2-TY11. The voltage coming out of the radio was 12v, but the voltage at the antenna lead was 9.5v, which was not enough power to the antenna lead to ensure proper reception. The only thing between the radio and the antenna lead is the PAC Audio unit and a wiring harness. As of now, I've bypassed the PAC Audio unit and have wired the antenna amp directly to the radio. Reception is fine again. There's apparently an MS-Windows application that can be used to configure the RP4.2-TY11 and update firmware, but I was unable to get it to work with the unit. Maybe that provides some added configuration that would have solved by problem. Don't know. Aside from that, the steering wheel functions work fine with this unit. No ding on Crutchfield's support for this. I only called them once early in the diagnostics process, and they helped me.

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Clemson, SC on 7/23/2018

2006 Toyota Tundra

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It is crazy how this interface can deal with all the different systems. It handled my Toyota JBL premium system perfectly for m;y new stereo system upgrade.

Pros:

Cons:

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Poor quality control

Rw from Chelsea, AL on 7/19/2018

2006 Toyota Tacoma

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Paid for the painless pre wire. It came wired wrong and blew the fuse in the new radio, blew the truck fuse, and the steering wheel controls do not work

Pros:

Cons: Faulty wiring

Crutchfield response on 7/23/2018
RW contacted our Tech Support team and our rep, Nikki, sent out a new receiver. Whenever you encounter a problem with anything you purchase from Crutchfield, please contact our Tech Support team right away. Lifetime tech support comes with every Crutchfield purchase.

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PAC RP4.2-TY11 Wiring Interface

Ed from Hortense, GA on 7/9/2018

2006 Toyota Tundra

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This service made it idiot proof and easy to install my new radio.

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Robert from Bonney Lake, WA on 7/9/2018

2007 Toyota Tundra

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This interface was very easy to install and works very well with options that were required to be maintain inside vehicle

Pros:

Cons:

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Does it's job

Chris from Sugar Land, TX on 7/8/2018

2009 Toyota Camry

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Worked as needed.

Pros: Does what it needs to.

Cons: All the extra wiring, although great if needed for various install options, makes for a confusing install.

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Skagway, AK on 6/21/2018

2006 Toyota Sienna

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After disassembling my 2006 Sienna stock Nav Head unit, and looking at the PAC harness that Crutchfield sent I was reluctant that the right harness was sent. Held off and called Crutchfield technical advisor after speaking to Customer service. Was informed by both that I have the correct harness, however I had a automotive mechanic and electrician come by to assist, we are certain they did not send the proper harness (no pins to the harness line up). Ending up bypassing head unit just to get rear camera working and still have steering wheel control. After days of working on this, I give up. So frustrating and disappointing as Crutchfield has always come thru in the past.

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Cons:

Crutchfield response on 7/2/2018
Once we saw this review, our Tech Support guru, Daniel, reached out to this customer to help him further. We'll either help him get the interface working the way it should, or help him return it for an exchange or refund.

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Great module, horrible wiring harness

John from Youngsville, NC on 6/7/2018

2006 Toyota 4Runner

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The box itself works well, but (at least the Toyota version) they tried to cover too many configurations with the plug and play harnesses. This makes for a rat's nest of wires and extra connectors. I ended up having to cut the unused wire and connectors out of the harnesses to get enough room in the dash for the module. Also wish the signal input was RCA line level instead of speaker output.

Pros: Steering wheel control is responsive and like the custom programming options.

Cons: Need to make more specialized Toyota wiring harnesses to prevent clutter or having to spend time cutting out unused connectors.

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PAC RP4.2-TY11 Wiring Interface

Jeremy from Downingtown, PA on 6/4/2018

2012 Toyota Prius

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Easy to install. Fit perfectly for my 2012 Prius.

Pros:

Cons:

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A must-have item.

Jeff from West End, NC on 5/24/2018

2010 Toyota Corolla

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A must have item for integrating steering wheel controls to your new radio.

Pros: Easy to install.

Cons: It looks intimidating out of the box.

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Works perfect!

Jason from Alpharetta, GA on 5/20/2018

2011 Toyota Tundra

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Works perfect in my 2011 Toyota Tundra CrewCab. I wanted to make sure my steering wheel controls would work and all do (including the Push to Talk button activating Siri). Great stuff. I paid for Crutchfield to do all the pre-wiring and it just plugged right in and worked right out of the box.

Pros: Works great All steering wheel controls work

Cons: none

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PAC RP4.2-TY11 Wiring Interface

Gregory H from Merrimack, NH on 5/11/2018

2007 Toyota RAV4

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Worked great in my 2007 Toyota Rav4. VERY EASY !!!

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Litchfield Park, AZ on 5/8/2018

2009 Toyota Camry

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World great and easy to install.

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Cambridge, MA on 4/29/2018

2013 Toyota Highlander

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I'll start by saying this worked just fine, first time, including antenna power booster, steering wheel controls, etc. the instructions could use a lot of work though. There are so many potential harnesses and wires to connect to ensure compatibility with every Toyota that I had to reread the directions about 10 times. The basics (speakers, power, etc) are easy. But I ended up with one loose wire harness that was originally in my car, and probably three connectors both in my car and on this unit unused. Everything worked though, so I guess the instructions worked?

Pros:

Cons:

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Seamless integration

Roberto from Somerset, MA on 4/25/2018

2010 Toyota Camry

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Straight forward great instructions not to mention great customer support from Crutchfield.

Pros: Played well with the OEM harness

Cons: extra connectors not used

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

spencer from Bristow, VA on 4/19/2018

2010 Toyota Corolla

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easier decision is get this- made installation a breeze! Steering wheel controls worked like a charm.

Pros:

Cons:

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5 Star Functions

Jose from Folsom, CA on 4/18/2018

2005 Toyota Sienna

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The Module gets a 5 star rating, however it did not properly sense the Parking Break on my vehicle. Crutchfield's tech service had a quick resolution for me that worked first try, but if you are not handy with car audio or car electronics you would have been left very frustrated that you paid the money for the function and it did not perform properly. I still had to spend time to run to a local auto parts store to grab some extra wire to run to make the parking brake work. All other functions for my steering wheel controls and my factory JBL amplifier and JBL sound system worked perfectly, ONCE I CONNECTED THE STEERING WHEEL CONTROL WIRE that Crutchfield FORGOT TO Connect.

Pros: 95% functional

Cons: Parking Brake sensor function did not work.

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Ball Ground, GA on 4/15/2018

2013 Toyota Highlander

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This interface made all the remote options of the car operate just like the factory unit. Could not see install a unit without this in the newer model cars that are out there.

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Odenville, AL on 4/10/2018

2005 Toyota Camry Solara

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Very Good Product

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Anacortes, WA on 3/30/2018

2008 Toyota Highlander

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It works, but I was never able to get real time fade to work, so had to lock in with app. I exchanged emails with their customer service, which was helpful, but didn't get the results I expected.

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Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Tacoma, WA on 3/29/2018

2011 Toyota Tundra

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Works great.

Pros:

Cons:

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Works great in 2007 4Runner

JOHN S from New Orleans, LA on 3/22/2018

2007 Toyota 4Runner

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Had this pre-wired by Crutchfield with a Sony XAV-AX100 and it works great. Sony head unit has function to program the steering wheel buttons which is very nice.

Pros: smooth operation

Cons:

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PAC RP4.2-TY11 Wiring Interface

SOPHAL from Fairfax, VA on 3/17/2018

2007 Toyota Tundra

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Works good but the brake and reverse trigger wires didn't work. Had to connect them straight to the radio harness. Sounds quality could be a bit better but it integrates the JBL system nicely and steering controls are working good.

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from N Chesterfld, VA on 3/14/2018

2007 Toyota Tacoma

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Simply put, very easy to wire up the new Pioneer head unit. I really don't have much more to say than if you can see in color you can do the wiring! Easy and saved my sooo much money doing it myself and I have the satisfaction to say and show my friends that I did a professional installation myself! Great stuff Robert

Pros: Easy to follow instructions

Cons: wish the instructions had more specific directions for the blue tooth mic install (how and where to run the mic cable.

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PAC RP4.2-TY11 Wiring Interface

JJM from Ulysses, KS on 3/13/2018

2005 Toyota Sequoia

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So the other reviews of this product made me a little wary of installing it. While there are a lot of wires, it's pretty simple to install. Color code the wires out of the stereo to the appropriate wires on the interface, align the dip switches, pick the correct plug for your vehicle and your in business. I have installed stereos in my personal cars before, but this is not rocket science. It made for a quick and easy install. Anyone could install this. Took a total of about an hour from opening the box to picking my stereo light colors. Very simple to use.

Pros: Easy to use, my amp and steering wheel controls work!

Cons: It looks scary. Don't fear the octopus!

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Terrible sound quality on JBL Synthesis on my 4Runner

Charles from Aurora, CO on 3/9/2018

2008 Toyota 4Runner

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Sound quality took a huge hit.

Pros: I can use my steering wheel controls and I've retained my factory amp

Cons: Potato sound quality Distorts at about 75% volume Not as loud as it was Expensive device for lower SQ Makes me wish I had never upgraded my head unit

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Palm Bay, FL on 3/8/2018

2010 Toyota Corolla

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I am very happy I decided to keep my steering wheel controls, and this PAC RP-4 made that possible. Great buy.

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

David from Woodburn, OR on 3/3/2018

2016 Toyota Tundra

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Love Pac modules, easy to install and always work!

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

J. Mark from Hamden, CT on 2/28/2018

2008 Toyota Prius

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My first PAC RP4.2-TY11 was defective. Crutchfield replaced it. Ditto for the second one, at which point I returned it for a refund.

Pros:

Cons:

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Don't miss skip this product

Scott from Auburn, WA on 2/27/2018

2006 Toyota 4Runner

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Worth every penny. Perfectly intergrated the factory steering wheel controls into the new headunit. Installation was clear and easy. Definitely a must have for a perfect install.

Pros: Easy install Factory steering control integration with zero splicing

Cons: None

Crutchfield response on

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Good Option to Maintain Controls

Crutchfield customer from Apex, NC on 2/22/2018

2010 Toyota FJ Cruiser

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Plug and play for a 2010 Toyota FJ Cruiser with steering wheel controls. Takes up a little room, but the FJ had plenty behind the original head unit. Directions are fairly straight forward, but I didn't need to do anything other than plug it in.

Pros: Good quality, no set up issues

Cons: Requires a little room but not bad

Crutchfield response on

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This is what you need!

Jones from Fordland, MO on 2/22/2018

2007 Toyota Sequoia

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This module is the perfect answer to easily getting your new stereo to connect and correctly use your factory amps and all of your steering wheel controls! All in one plug and play!!

Pros: Complete connection for whatever you drive!

Cons: A little bulky, but that's what allows you to be able to connect any vehicle! No other Cons!!

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Piney Point, MD on 2/10/2018

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required for my installation

Pros:

Cons:

Crutchfield response on

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Needs clear instructions

Danny from Atlanta , GA on 1/30/2018

2008 Toyota 4Runner

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Unit works great, but installation instructions are horrible. Several third party YouTube explanations make it easy, though.

Pros: Easy to install No programming needed

Cons: Horrible instructions

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

michael from Seminole, fl. on 1/25/2018

2010 Toyota Tundra

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Wiring a little confusing for a novice but after some trial and error works like a charm

Pros: Works great, everything worked as advertised

Cons: Directions could be a lot clearer

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Greensboro, NC on 1/24/2018

2004 Toyota Prius

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Worked well on my prius- no problems wiring it up and everything worked first go

Pros:

Cons:

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Dry Fork, VA on 1/21/2018

2005 Toyota Tundra

Verified customer (What's this?)
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Very nice unit for keeping your steering wheel controls. I am no expert in installing, so I had to call technical support a few times with questions. Staff was very helpful and made install a breeze. Very happy

Pros:

Cons:

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1st one didn't work, second one is a peach.

Mike from Greer, SC on 1/16/2018

2005 Toyota Tacoma

Verified customer (What's this?)
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This is the second one I have purchased. The first one worked intermittently after a few weeks of use. Unfortunately, I blamed the radio I installed with it at the time and since I didn't have a spare interface to troubleshoot with I had to make a best guess. Also, having limited time available to mess with car radio installations I lived with the problem past the one year warranty period. So, I finally had some time to invest in screwing around with this again and I ordered a new radio. I installed it and had the same issues. I finally called PAC and after troubleshooting we determined that the interface was bad, but would not be covered under warranty - my fault for waiting. I replaced the PAC unit and all is well, except I have a spare head unit sitting around. In short, their tech support is great - don't hesitate to call them, but my experience with the unit is 50/50 at this point. Works great if you get a working one.

Pros: Does what it says it does.

Cons: 1 st one didn't work. Difficult to troubleshoot if you don't happen to have access to a spare. Lot's of extra wires hanging around - messy installation.

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from N Chesterfld, VA on 1/14/2018

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A little to many wires for me to install. I had the interface and my stereo installed by a local shop. at the interface is working great. I have all my steering wheel controls, and amp working just fine

Pros:

Cons:

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Cary, IL on 1/3/2018

2005 Toyota Sienna

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It's doing the job but because it has connectors for many models it was very difficult to fit them all in, along with the many wire splices. There were no vehicle specific tips on where to tuck them in. That was a bit surprising because Crutchfield is famous for their instructions.

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Cons:

Crutchfield response on

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Working great

Craig from Chesterfield, MO on 12/30/2017

2005 Toyota 4Runner

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I think the product works great and has lots of options for various installation needs. The directions are not great though and require a lot of internet searches to figure out how to hook things up. I used this in a 2005 45Runner with retaining factory JBL amp and steering wheel controls and its working very well for my application.

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Cons:

Crutchfield response on

3 of 3 found this helpful

PAC Makes Wiring Easy

Greg from Gilbert, AZ on 12/28/2017

2006 Toyota Prius

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The PAC wiring interface made wiring easy. Installed this in a 2006 Prius with a navigation unit. The factory navigation unit was glitching and causing audio issues. PAC worked with me directly and was able to overcome the factory navigation fault issue. PAC and it's products are excellent.

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Cons:

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Albany, OR on 12/27/2017

2005 Toyota 4Runner

Verified customer (What's this?)
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Works good. Covers all the options for different vehicles and stereo's. Wiring instructions are terrible, and not vehicle specific. Had to do a little guess and check

Pros: Covers many vehicles and stereo options

Cons: Instructions are terrible. Did not match vehicle

Crutchfield response on

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Great Way to Save a Lot of Time

Christopher from Hereford, AZ on 12/24/2017

2006 Toyota Tundra

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Straightforward instructions, be sure to check the gain if you are having sound fade in and out. This was better than trying to figure it all out myself and maintained the steering wheel controls.

Pros: Good instructions.

Cons: Reverse wire and parking brake wire didn't do anything on my truck.

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Clayton, NC on 12/24/2017

2005 Toyota 4Runner

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I gave this 5 even though the first one was defective. Call Crutchfield and they immedietely sent out a new one. Install was simple and all the controls works perfect including the sub/amp!

Pros:

Cons:

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Easy to use

William from Bonita Springs, FL on 12/23/2017

2005 Toyota Camry Solara

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Awesome

Pros:

Cons:

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0 of 1 found this helpful

Powermaker1960

Davie from Moss Point, MS on 12/17/2017

2004 Toyota Tundra

Verified customer (What's this?)
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As most other reviewers have indicated, this PAC is not easy to figure out. I installed this on my 04 Tundra crew cab (twice)! The first day, I wired everything as directed, but, there were two wires I wasn't sure if I used or not. It did not work . I got up the next morning, researching the PAC, reading the instructions and watching video. This gave me a better understanding of the wiring harnesses and I was able to get it all connected. The only problem is that the steering wheel controls aren't working, in the accessory position. I will see if it works when I have the engine running. This PAC allows a full range of control through the aftermarket JVC radio.

Pros: A great option for maintaining the factory amp

Cons: A lot of wiring harnesses

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2 of 2 found this helpful

PAC RP4.2-TY11 Wiring Interface

Chris from NC on 12/13/2017

2007 Toyota Tacoma

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Works great with the Pioneer receiver I bought.

Pros: Works with the Pioneer receiver I bought.

Cons: Only used 2 of the 5 connectors. Don't know why. A lot to fit in dash behind receiver. But it works. Directions that came with interface were not the same as what tech support sent me through email. Tech supports made more sense.

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PAC RP4.2-TY11 Wiring Interface

Andrew from Wenatchee, WA on 12/13/2017

2007 Toyota Tacoma

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This unit seems overwhelming at first mostly due to the poor instructions. Starting with the aftermarket stereo speaker connections gets you started, everything after that is pretty straightforward. I also purchased this under the belief that I WOULDN'T be able to retain steering wheel control (2007 Tacoma) and was pleasantly surprised to see I could. I had to make a call to a crutchfield tech to finish installation, but they were able to get me sorted out. The knowledge held at crutchfield is why I will be a repeat customer.

Pros: Retains steering wheel controls Retains factory amplifier

Cons: Pain in the neck instructions.

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1 of 1 found this helpful

Bulky but functional

Crutchfield customer from Mundelein, IL on 12/10/2017

2012 Toyota Sienna

Verified customer (What's this?)
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Thankfully I had my harness premade or this would have been brutal. I have 6 factory connectors and 4 from the SWC that are unused and had to find room to tuck them in behind the receiver. The software had to be installed twice on my laptop and the same for the firmware. Programming was really fast to perform. Had to bypass the box to get my backup camera working. However, it was exactly what I needed to minimize the effort needed to install.

Pros:

Cons: Instructions are confusing for a novice. Not clear what wire does what or is needed, since there are so many.

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Austin, TX on 12/10/2017

2006 Toyota Tacoma

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Instructions were not that straightforward when combined with the radio (pioneer) instructions. Once I got it figured out, it was ok. Still a bit challenging though.

Pros:

Cons:

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Easy to hookup

Nelson from N Riverside, IL on 11/27/2017

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Work well, pretty straight forward to install

Pros: Color cordinated wires made easy to hookup

Cons: None

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Complicated and unreliable

Ryan from Tacoma, WA on 11/20/2017

2006 Toyota Tundra

Verified customer (What's this?)
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I installed this module in combination with a Pioneer AVH-291 BT in my '06 Tundra. I chose this combination with Crutchfield's recommendation to retain my SWC. The instructions are confusing, mostly because I think they are trying to cover multiple car manufacturers with one document. Once I figured it out, it was easy to install. The system worked great for about four months then the sound started to fade in and out. At first I thought it might be the deck and with Crutchfield's excellent CS I started some troubleshooting. I couldn't find any issues with the installation so they sent me a replacement deck and module. The first thing I replaced was the module. PROBLEM SOLVED! For some reason the module was causing the issue. If it happens again I might look for another alternative to this module or bypass the SWC all together, which would suck. Good luck if you purchase this product.

Pros: Retain SWC

Cons: LOTS of wires Poor instructions Malfunctioned after about four months of use.

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1 of 1 found this helpful

PAC Unit Dead - Less Than A Year

Elizabeth from Kennesaw, GA on 11/16/2017

2006 Toyota Avalon

Verified customer (What's this?)
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Bought an aftermarket radio from Crutchfield a year and a half ago. The stereo died this past summer after less than a year. Really frustrated and prepared to trash the radio in a review, but wanted to make sure that it wasn't simply a fuse. Haven't had time to investigate and have been driving around with no radio since mid summer. My brother - in town for the holidays - offered to take a look at it for me today. Turns out PAC unit is the issue. Died after less than a year and had to purchase a brand new one to replace. Really, really not happy right now.

Pros: Worked...When it worked...Which wasn't long

Cons: Have to replace after less than a year. Not Happy.

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3 of 3 found this helpful

A must have when replacing a stock deck

Cuddy from Goleta, CA on 11/16/2017

2010 Toyota Tacoma

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Worked as expected. Can't ask for more.

Pros: - Converts the stock connections so they can be used with aftermarket decks.

Cons: - Doesn't support all stock connects. ex. stock Bluetooth mic and satellite radio antenna.

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Morgantown, PA on 11/15/2017

2005 Toyota Camry Solara

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Great product. Shipping time was quick. Product received in perfect condition.

Pros:

Cons:

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0 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Louisville, KY on 11/12/2017

2003 Toyota 4Runner

Verified customer (What's this?)
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2003 4runner. Product did the job and retained steering wheel controls. Instructions are a challenge. Better instructions can be found on PAC audio website, but even those instructions contain generalized direction. Just matchup the wires according to function and don't over think it, you will have unused wires and connectors. It's a big glob of wires to stuff in the dash, I ended up taping things together trying to streamline the wiring birds-nest. No programming needed other setting the dip switches to match new head unit.

Pros:

Cons:

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2 of 2 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Hobbs, NM on 11/8/2017

2008 Toyota Tundra

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This was the easiest way I have ever done an after market install.

Pros:

Cons:

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Scott from Brandon, FL on 11/2/2017

2009 Toyota Tacoma

Verified customer (What's this?)
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This works. the wiring instructions are not the best but, if you have any wiring experience you can figure it out. I would like to see more detailed instructions, but that may not be reasonable due to this unit may work on many different vehicles.

Pros:

Cons:

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Carrollton, TX on 11/1/2017

2009 Toyota Corolla

Verified customer (What's this?)
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DIdn't allow me to use my answer/hangup/voice(siri) buttons on the steering wheel like my previous SWC box did. :(

Pros: Didn't require any special programming for the buttons

Cons: Not all buttons worked even after trying to program them

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Milwaukee, WI on 10/27/2017

2005 Toyota 4Runner

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This wiring interface was easy to hookup to my car JVC radio so I can use the steering controls.

Pros:

Cons:

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1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Virginia Beach, VA on 10/9/2017

2006 Toyota Tundra

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Easy to install

Pros:

Cons:

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0 of 0 found this helpful

Works fine.

Crutchfield customer from Palm Bay, FL on 9/29/2017

Verified customer (What's this?)
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Worked perfect. I did have to call Crutchfield for some help understanding the instructions. But does what I needed

Pros: Does what it is designed to do

Cons: Instructions are a bit hard to understand. A lot to stuff in the dash

Crutchfield response on

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PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Daggett, CA on 9/18/2017

2005 Toyota Tundra

Verified customer (What's this?)
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Great product!! Just plug and play!! Made my install that much easier! Only thing was a little vague on the instructions.

Pros:

Cons:

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Easy

William from Hickory, NC on 9/7/2017

2006 Toyota Tundra

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Made installation so much simpler. It helped my steering wheel controls to continue working.

Pros: Easy to install.

Cons: None

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Luis from Goodyear, AZ on 9/5/2017

2009 Toyota Tacoma

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After reading some of the reviews I was a little concerned that it might be a little confusing to install. On the contrary it was relatively easy. Just be sure to read the instructions completely before you start connecting the wires. Be sure to turn up the "gain" control if not you won't be hearing anything. You'll end up with unused plugs due to the fact that it'll work on different factory connectors. A

Pros: It works!

Cons: None

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PAC RP4.2-TY11 Wiring Interface

James from Harrisburg, SD on 9/5/2017

2007 Toyota Avalon

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could not have been easier, everything worked as it should,

Pros:

Cons:

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1 of 1 found this helpful

Great interface, useless instructions

Sean from Broomfield, CO on 9/4/2017

2003 Toyota 4Runner

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The interface worked out of the box with no modifications/programming but the instructions are useless. There is a more updated version on their website (http://pac-audio.com). Even then the instructions are incomplete/inaccurate in some cases. If you have a 03-04 4Runner without the factory nav then you need to ignore the instructions concerning the reverse and parking break sensor wires. The instructions tell you to connect the white twisted wires to the CAN High and CAN Low pins on the OBDII port. Those don't exist because the 03-04 4Runner uses the older ISO bus OBDII system, not the newer CAN system. The parking break wire is found in the fuse panel by the drivers left knee. Look to the left of the fuses and toward the bottom of the panel, you should see two light green wires (one on top of the other). The parking break wire is the one on the bottom (pin 2). The reverse sensor wire can be found in multiple locations but the one we found the easiest was under the driver side door sill. There is a junction where the wires are exposed, if you gently move the wires around you will find a red wire with a yellow stripe. That's the one. I don't know where the vehicle speed sensor wire is since our head unit didn't require it. Overall a good unit that functions well. Would be 5-stars with better instructions.

Pros: Functions out of the box with no programming required.

Cons: Terrible instructions, download an updated version from the PAC-Audio website.

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Putterer from Hertford, NC on 8/31/2017

2007 Toyota Sequoia

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This made the installation easy after figuring out that there will be extra unused connectors.

Pros: Simple.

Cons: Extra connectors to fit behind the stereo.

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Christopher from Great Mills, MD on 8/28/2017

2009 Toyota Sienna

Verified customer (What's this?)
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Installed this in my wife's Sienna with a Pioneer AVH-1330NEX. The instructions are not horrible, but I could not find the green parking brake wire that the instructions said should be there. All other connections are there. I had to run the wire separately instead. The point of getting this was so I wouldn't have to run extra wires and splice into the car's wiring. Other than that, the steering wheel controls are retained without having to program this unit. The instructions give options to use a laptop for some settings, but you need Windows. There is no option for Mac or Linux. However, connection to a laptop was not needed.

Pros: Retain steering wheel controls. No extra setup when installed.

Cons: No parking brake wire that was listed in instructions. Need Windows laptop for "extra features".

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PAC RP4.2-TY11 Wiring Interface

David from Fernandina Beach, Florida on 8/15/2017

2005 Toyota Tacoma

Verified customer (What's this?)
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Works my steering wheel controls great. I don't have any problems using them at all. Love it, biggest fear was loosing my control functions on my steering wheel. That would've been a bummer.

Pros: It works just great ,no regrets. Great price for it too.

Cons: I don't see one here.

Crutchfield response on

1 of 1 found this helpful

Works well but NO worthwhile instructions

ShoelessJ from Los Angeles, CA on 7/21/2017

2008 Toyota Sienna

Verified customer (What's this?)
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What it does, it does perfectly - links the controls of the radio to your steering wheel controls. What it lacks are any useful instructions as to how to achieve that. Not once in the manual is there anything like an instruction to "join part A to part B". There's a diagram of what most, but by no means all of the various sockets are, but absolutely ZERO instructions as to what to do with them or the large bundle of wires that accompanies the sockets. Luckily the Crutchfield guys on the phone are brilliant at visualizing the mess in your car and can talk you through how to make it all work, but shouldn't basic instructions be a mandatory...?

Pros: Works perfectly when finally fitted.

Cons: Instructions are as useful as a chocolate teapot.

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1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Marcus from San Antonio, TX on 7/19/2017

2004 Toyota Tundra

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I installed this in a 2004 Toyota Tundra with JBL audio using a Sony XAV-AX100. Worked well and seems like a big improvement on the previous interface I bought. Audio levels are much better. Lots of wires, but take your time and do your homework. I made one call about the remote control wire and it was confirmed as I expected. I soldered and heat shrinked the whole thing together and it worked perfectly the first time. Also gave me steering wheel controls which I didn't have previously. Instructions aren't great but don't be a whiner. Do a little reading, ask a question if you need to, you should get it right the first time.

Pros: Big improvement on the previous interface

Cons: Lots of wires, but hey you wanted a cool stereo

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0 of 0 found this helpful

frustrating

terry from Plainfield, IL on 7/5/2017

2011 Toyota Prius

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poor instructions and not vehicle specific as I thought. extra wiring/connectors not necessary only made fitting into dash that mush more difficult. also, had extra brown wire not found in wiring diagram

Pros: price with hu package

Cons: instructions

Crutchfield response on

1 of 1 found this helpful

It worked

Crutchfield customer from Orem, UT on 6/22/2017

2005 Toyota 4Runner

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Seems to work fine. It wasn't clear to me how it should work based on the instructions provided. There seems to be a lot bulk with all of extra connections and wires, but I was somehow able to make it fit.

Pros:

Cons:

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Avic 5200 on 2003 4Runner

Serafino from Venice, CA on 6/16/2017

2003 Toyota 4Runner

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Installed on 2003 4Runner, pioneer avic5200. The unit worked after accidentally pressing program button while inserting box behind dash. Had to reset and all was well with steering controls. My car did not have 28 pin harness plug, and could not use odb2 direct port, had to find speed, reverse wires manually. Overall good product. They need to refine the wire structure since the length creates a dashboard challenge. Also instructions can be confusing when deciding if to connect directly to car harness vs pro radio harness.. i.e. Antenna blue amp wire needs to go direct to car harness from radio, not pro adapter. Crutchfield tech support very good, if you install radio, they are worth their weight in gold, fast response even on weekends, go Crutchfield.

Pros: Product works as expected.

Cons: Wiring harness a little challenging to fit in dashboard. Instructions could be more clear. No amp antenna hookup info.

Crutchfield response on

1 of 1 found this helpful

Works as expected

Steve from Texas on 5/21/2017

2003 Toyota 4Runner

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Verified employee purchase (What's this?)

Weak instructions as noted by others. Quite bulky bundle of wires. Hard to find a good way to fit all of it in behind the receiver unit. I'm sure this allows them to make many wiring bundles for various applications for the same unit. But the result is less than ideal. Functions as expected.

Pros:

Cons: Instructions could be better. Large wiring bundle.

Crutchfield response on

0 of 0 found this helpful

Works, but instructions are weak

Andy from Seattle, WA on 5/17/2017

2004 Toyota Sienna

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The interfaced worked, the new stereo works, and I can make calls from my Bluetooth phone. However, the instructions were a bit cryptic, there were two different wires of the same color that matched the wire coming from the stereo (blue w/yellow stripe), and there were several connectors coming out of the interface box that didn't connect to anything. Anytime I build something from a kit and have some pieces that look important left over, I spend a lot of time scratching my head trying to figure out what I did wrong. If the instructions had said "you may have some unused connections", I wouldn't have spent as much time thinking and would have completed the installation much quicker.

Pros: It works

Cons: Instructions are vague

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2 of 2 found this helpful

Great product!

Imad from Salt Lake City, UT on 5/16/2017

2006 Toyota Avalon

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Great product! I installed on a Toyota Avalon 2006. Everything is working! The head unit the steering wheel buttons and the information screen. BTW the head unit is an Android unit.

Pros:

Cons:

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7 of 7 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Cary, NC on 5/14/2017

2005 Toyota Sienna

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Good: wires a prestripped, making connecting them to the radio's harness that much easier. Bad: the wire identification chart is poorly organized, identifying wires that can't even be connected to

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Good Product - Lousy instructions

Jim from Denver, CO on 5/3/2017

2006 Toyota Tundra

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Product works well and does what it is supposed to BUT the instructions are horrible! It took 2 calls and a new unit (which wasn't needed) to get it to work properly. Operator error but basically could have been solved with better instructions.

Pros: Does what it's supposed to do

Cons: Instructions are severely lacking!

Crutchfield response on

1 of 1 found this helpful

Works. But be ready to call tech support!

Crutchfield customer from Chicago, IL on 4/24/2017

2004 Toyota Sienna

Verified customer (What's this?)
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Works as advertised. However, installation manual is very poorly written, practically useless. Be ready to call Crutchfield tech support when wiring this. Few minutes with Crutchfield tech support will clear things up. The amp gain control is very finicky. I tried to increase the level a bit and the whole system turned silent. The gain dial doesn't seem to have any logical increment. The sound came back at some random position. I recommend not touching the amp gain dial.

Pros: Works.

Cons: Poor installation instructions.

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11

Chad from Chandler, AZ on 4/24/2017

2004 Toyota Tundra

Verified customer (What's this?)
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The comments from others about having to do a lot of research to figure out how to hook things up were right on the money. The tech support teams at both the manufacturer and at Crutchfield were great and answered emails within a day. I hooked it up yesterday and it worked great on the first try. No problem with the steering wheel controls or any of the speaker/amp connections. The only thing I would change is the instruction sheet and taking some of the ambiguity out of the wire-to wire connections. Maybe a vehicle/feature specific wire list would be helpful as this device supports a number of different Toyota and Lexus vehicles with a number of different radio installations. Some of the wires and connectors end up being unused if they support features your vehicle doesn't have which is fine but would be great if they were more clear about that in the instructions.

Pros: Works great, leaves factory connectors/wiring intact

Cons: Unclear instruction sheet for installation

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2

Chris from Catoosa, OK on 4/23/2017

2010 Toyota Prius

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The instructions were seriously lacking. If I didn't have experience in electronics and electrical systems, I would have been lost. I found the steering wheel controls to work as advertised once I figured out how to connect them. I my case, the 3.5 mm jack connected as a remote input did the trick since my new stereo didn't have a matching blue/yellow wire. For an inexperienced installer, there would have been a lot of phone calls to figure this out. The input wires that didn't terminate into a connector should have and passed thru to the radio connector output harness so there's no ambiguity about which wires to connect.

Pros: Almost plug and play

Cons: Instructions were terrible

Crutchfield response on

2 of 2 found this helpful

Makes aftermarket Installs much easier.

Rick from Naples, FL on 4/16/2017

2006 Toyota Camry Solara

Verified customer (What's this?)
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Excellent product for adding after market stereo/nav head to cars with OEM premium JBL sound systems. Easily integrates factory amps and controls (including steering wheel controls) to aftermarket unit. The interface is designed for several different cars and configurations, and so there are extra connectors that may not be used for every install. Sorting this out may take a few minutes as the instructions are not as detailed as I would have liked. However, the one wiring question I had was quickly solved by the Crutchfield tech support team. I would highly recommend this interface to anyone replacing a factory radio with an aftermarket head unit.

Pros: Keeps original OEM controls and functions of the car and sound system.

Cons: Installation instructions could be more detailed.

Crutchfield response on

3 of 3 found this helpful

Necessary Evil

Mark from Jackson, MS on 4/13/2017

2005 Toyota 4Runner

Verified customer (What's this?)
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As long as aftermarket stereos require these interfaces the car audio technicians will have secure jobs. I spent many hours with online videos trying to understand how to make all the connections but became more confused . I was completely surprised when after connecting all the harnesses together that my unit actually worked!

Pros: It actually worked

Cons: Too many different ways to make errors

Crutchfield response on

0 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from San Diego, CA on 4/1/2017

2009 Toyota Tacoma

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OK...this thing works and pretty well too BUT it was a major hassle to install. At lest 12 wire connections are required and the wire monster created behind the head unit was a pain to get into the dash. Three calls to Crutchfield to get it done - lots of wires and hook ups from the car and on this interface are NOT used and that is quite confusing for a novice installer like me. Anyway, I got through it and it worked very well. The steering wheel controls were already set and I did not alter them. given how hard it was to get all the wires in my dash I shudder to think about pulling it out to reprogram it!

Pros:

Cons:

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2 of 2 found this helpful

Functionality adequate

Ken from Charlotte, NC on 3/29/2017

2011 Toyota RAV4

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Did end up being plug and play but it certainly look some time studying the instructions to realize what wiring applied to my specific install and what didn't. If I didn't have the experience and knowledge that I do, I doubt I could have achieved success based on the quality of instructions provided.

Pros: It works

Cons: Instructions

Crutchfield response on

1 of 1 found this helpful

Never really worked in 2005 Prius wth factory nav

Bob from Bowie, MD on 3/27/2017

2005 Toyota Prius

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This interface barely worked with my 2005 Prius (with factory navigation). The install instructions were spotty and hard to follow. The harness had THREE (!) blue-white wires, giving me many different permutations to try. The interface never controlled the factory amplifier correctly - it would routinely play for 10-20 seconds, cut out for a second, and repeat. Whenever I had it plugged in, it would either completely disable the factory navigation or cause it to randomly display audio volume and non-connected device banners. I sent one of these back after spending too many weekends installing it. Crutchfield exchanged it for another one, which had a differently-wired harness and more recent firmware, which didn't work either. We finally swapped it for a set of Metra interface boxes, which did work. I am happy with Crutchfield - not so much with this interface.

Pros:

Cons:

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0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Willie G from Cheyenne, WY on 3/26/2017

2009 Toyota Tacoma

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This item is going to be the downfall of my player, I can't seem to get the all the steering wheel controls to work volume up and down is all that I can get to work. The other problem is there are so many unused plugs I am going to have to extend the wires to tuck this unit away from the head unit because there are clearance issues on my Toyota.

Pros:

Cons: To many unused plugs.

Crutchfield response on 3/28/2017
Willie, we're sorry you're having problems with your interface. Whenever you encounter a problem with anything you purchase from Crutchfield, please contact our tech support team right away. They can help you solve the problem and get the interface working properly! Lifetime tech support comes with every Crutchfield purchase.

1 of 1 found this helpful

Works Like a Charm

Russell from Ramstein Germany on 3/26/2017

2003 Toyota 4Runner

Verified customer (What's this?)
Verified employee purchase (What's this?)

The wiring interface works great. I am able to use my steering wheel controls and everything is functioning perfectly. Figuring out the wiring was a little difficult as the instructions are not really clear, and some of the wire colors are a little off, but just give a Crutchfield technician a call and they will walk you through it. Finally, awesome tunes again in my 2003 4Runner.

Pros: Works perfectly; easy plug and play once you figure out the wiring.

Cons: Wiring a little difficult to understand, but nothing a quick call to the Crutchfield techs won't solve.

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Salt Lake City, UT on 3/21/2017

2005 Toyota Tundra

Verified customer (What's this?)
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Works great. I was a bit confused about what went where but eventually figured it out. I think a few more instructions would be helpful. Once you've used this setup once it's probably intuitive/simple, just not the first time out.

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Crutchfield Support Essential

Gregory P from Spring City, TN on 3/19/2017

2005 Toyota Camry Solara

Verified customer (What's this?)
Verified employee purchase (What's this?)

This interface performs well and does what it's supposed to. However, for my application the installation instructions were lacking. Installed in a 2005 Solara Convertible. The instructions referenced a 28pin connector on the car side that does not exist. There are also 3 extra plugs that they do not specify may not be used in your application. The UP SIDE of all this was the Crutchfield Team. They were fantastic with the phone support; very patient and polite while going through a process of elimination to isolate the issues. In the end the unit performs well and does everything it's supposed to. Lots of cool options to tweak your Steering Wheel Controls.

Pros: Lots of cool options and tweaks allow lots of personalized settings - Basically plug and Play

Cons: Installation instructions incomplete/inaccurate for my application

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Stafford, VA on 3/18/2017

2008 Toyota Camry Hybrid

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Tech used this to include steering wheel control. Nice to have complete control without having to touch the radio.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

A great product for my new pioneer NEX 8200

Keith from Nashville,TN on 3/14/2017

2005 Toyota Sequoia

Verified customer (What's this?)
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This is a great product and exactly what I ordered for my Toyota Sequoia, installation was very easy and right to the point and the product came in a very quick and timely matter . The sales rep made sure that I ordered the correct product for my vehicle.

Pros: The entire project was purely plug-and-play, very simple installation process.

Cons: none

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

leonard c from Rochester, NY on 3/10/2017

2006 Chevrolet Silverado 1500

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makes life a lot easier,

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Toyota/Lexus

Steven from Hixson, TN on 3/4/2017

2006 BMW Z4

Verified customer (What's this?)
Verified employee purchase (What's this?)

This was a disappointment. The instructions were useless. I hooked up wires, and the radio works, but not the steering wheel controls. I installed this at night, and did not call tech support. After removing all of the trim to install, I'll leave it in rather than return it to Crutchfield.

Pros:

Cons:

Crutchfield response on 3/8/2017
Steven, whenever you encounter a problem with anything you purchase from Crutchfield, especially a situation like this, please contact our tech support team right away. They can help you solve the problem or set up a return within 60 days of purchase. Lifetime tech support comes with every Crutchfield purchase.

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Mebane, NC on 2/27/2017

2007 Toyota Avalon

Verified customer (What's this?)
Verified employee purchase (What's this?)

Was able to keep factory steering wheel controls and JBL amplifier. Surprised to find out that the factory navigation still works on my 2007 Toyota Avalon. Instructions left much to be desired. This interface fits multiple models, so there will be extra wires to confuse you.

Pros:

Cons:

Crutchfield response on

3 of 3 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Millbrook, AL on 2/21/2017

2008 Toyota Highlander

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Did Not Work

Pros:

Cons:

Crutchfield response on 2/22/2017
Once we saw this review, our Tech Support team reached out to help this customer. We'll either help them get the interface working the way it should, or help them return it for an exchange or refund.

1 of 1 found this helpful

Good adapter Kit

Ken from Orlando, FL on 2/6/2017

2010 Toyota Tacoma

Verified customer (What's this?)
Verified employee purchase (What's this?)

The adapter kit did the job, but the wire lengths were a bit short is a couple of places. Also, there were wires that were not covered by the documentation with Acronyms for labels. The documentation should at least tell you what the acronym means.

Pros: Did the Job

Cons: Documentation could use an update

Crutchfield response on

2 of 2 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Closter, NJ on 1/29/2017

2008 Toyota FJ Cruiser

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Works perfectly,pay the extra $ and have prewiring done Makes for easy install

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Great harness

Mark from Enterprise, AL on 1/21/2017

2008 Toyota FJ Cruiser

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This harness covers a wide variety of vehicles. That being said, this was my second time ever doing an install. Had a couple of wires that I wasn't sure about but the staff at Crutchfield was amazing and helped me through all of it! Great harness especially having the ability to program certain functions on my steering wheel!

Pros: Amazing functionality

Cons: Not for beginners, Crutchfield really came through for me!

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Neil from Pittsburgh, PA on 1/18/2017

2008 Toyota Tundra

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I was worried about this product based on mixed reviews. I have to say I am pleased that I got it. Pretty simple to install and works as advertised.

Pros: Works properly

Cons: Nothing really. Instructions could've been a little better but common sense is really al that's needed. One issue I had was quickly explained to me by tech support

Crutchfield response on

0 of 0 found this helpful

Easy install, confusing instructions

Seth from St. Paul, MN on 1/17/2017

2005 Toyota Sienna

Verified customer (What's this?)
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Easy install. Didn't bother with any of the steering wheel control customizations but all of my steering wheel buttons work as expected. I was confused about the wiring harness because it is not clear that they don't all need to be hooked up. On my 2005 Sienna with JBL, only two of the harness connections hook up to the car. There is a third small black plug coming from the car that does not get hooked up to anything.

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Your mileage will vary based on your system

Brad from Pleasanton, CA on 1/10/2017

2007 Toyota Prius

Verified customer (What's this?)
Verified employee purchase (What's this?)

The PAC RP4.2-TY11 came up as the option on Crutchfield for a 2007 Prius with JBL to retain the steering wheel controls. If you search Prius forums for 2nd generation (2004-2009) Prius installs, you will see that there have been some issues with this unit. For me, it was the intermittent cutting in and out of the signal regardless of input. The better option is using the Axxess TYTO-01 and ASWC-1 (and ASWC Harness) to avoid the issues. Crutchfield replaced the PAC with the Axxess and everything works fine now. Again, your mileage will vary. You will still need to add a resistor to get the MFD working properly with the Axxess system.

Pros: All in one solution (but you won't use all the connectors)

Cons: Instructions difficult to follow. Has issues with 2nd Generation Prius systems.

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Kalamazoo, MI on 1/2/2017

2008 Toyota Sequoia

Verified customer (What's this?)
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Worked well for connecting my steering wheel controls to my pioneer head unit. Only complaint was that supposed my deck could take a voice recognition input and I programmed a button to do this but could not get it to work. Not the end of the world though. Had to call support once or twice but crutchfield support was awesome and knew what they were talking about. Really like the ability to program long press and short press to gain more features.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Fits 2012 Fj without jbl

Chris from Kailua Kona, HI on 12/26/2016

2012 Toyota FJ Cruiser

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Was very confusing but after a couple of hours I had it figured out.

Pros: Works well on my 2012 Fj cruiser with pioneer DVD deck

Cons: Very confusing instructions,lots of extra stuff not used. Seems like it could be simplified.

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Richland, WA on 12/11/2016

2011 Toyota Prius

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It works but the instructions could be significantly improved. It would be great if Crutchfield provided additional documentation with this product.

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Works well, but complicated

Eric from El Paso, TX on 12/4/2016

2003 Toyota 4Runner

Verified customer (What's this?)
Verified employee purchase (What's this?)

For a seemingly simple device, I found the unit to be more complex than expected. I also found the instructions to be somewhat lacking. There is basically only a wire ID chart for wiring. I realize that there are practically an infinite different set-ups which would make traditional wiring diagrams difficult. But for my set-up, it required a call to Tech support to understand the remote/amp wires and the unused NAV wires. I had to also question the unlabeled brown wire that was unidentified (different than the brown loop). It was also concerning that one of the stock connectors was left unconnected, in the final configuration. Everything worked fine. But a note about this might be helpful. Most disappointing was the Tech support I received when trying to figure out the programming and interface to the new Blaupunkt head unit. I'm an engineer, but found the programming instructions less than concise ( calibration vs re-assigning, ect and the actual steps to program). Tech support was no help with this indicating that this unit and the Blaupunkt units rarely work together, opposing what sales told me. I did eventually get everything working properly. But it required significantly more time than expected. Better and more detailed instructions would be helpful.

Pros: Works great with the steering wheel controls

Cons: Poor instructions , poor wiring diagram and unclear programming instructions

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from San Francisco, CA on 12/2/2016

2003 Toyota 4Runner

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Nicely built harness however in my particular fitment many leads and several connectors remain unused.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Austin, TX on 11/28/2016

2006 Toyota Tacoma

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Worked great and easy install!

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Knoxville, TN on 11/28/2016

2006 Toyota Tundra

Verified customer (What's this?)
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Very intimidating when you open package and review the very minimal, confusing and inadequate instructions. BUT if you lay out the wires, plugs and such; map out what you understand and what matches up, then just make a list of questions and contact Crutchfield tech people, they will answer all your questions like magic! I was dubious when I called but was blown away with their help. Installation went well and as I held my breath and powered the unit up all was well.

Pros: Allows not only use but customization of steering wheel controls.

Cons: Very poor instructions with harness.

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

gene from Upper Marlboro, MD on 11/9/2016

2007 Toyota RAV4

Verified customer (What's this?)
Verified employee purchase (What's this?)

Really complicated...took a number of calls to crutchfield tech support and the manufacturer pac to get it fully up and running. Retained a number of the steering wheel controls of my wife's Rav4 directly out of the box.

Pros: work as advertised

Cons: needlessly complicated

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Bel Air, MD on 11/6/2016

2010 Toyota Prius

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Was able to install and retain factory functions in our 2010 Prius.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Not for the novice!

Scott from Paducah, KY on 10/30/2016

2005 Toyota Sequoia

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Not a DIY type project for my 2005 Toyota Sequoia. Couldn't have installed without the excellent Crutchfield tech support. Had to call 3 times total to get it installed. Do not buy from a cheaper source because you won't get tech support. And chances are, you'll need it!

Pros: Installs into factory harness

Cons: Poor install instructions

Crutchfield response on

0 of 0 found this helpful

Problematic, but with much tech support from Crutchfield finally works

James from Wappingers Falls, NY on 10/29/2016

Verified customer (What's this?)
Verified employee purchase (What's this?)

Initial impression: The unit is overly complicated and tries to fit too many models at once. Directions a bit obtuse. Only a few of the connectors attached and hard wired were needed. The rest just take up space and clutter otherwise neat wiring. Rather confusingly, the wiring colors do NOT match the directions. Crutchfield was also initially stumped as well since PAC changed the very much needed blue with white stripe remote turn on wire locations. A call by me to PAC got not much of a response. Worse, even once sorted out it did not work. After much time and several calls to Crutchfield's tech support later we realized the unit was likely defective. Crutchfield quickly shipped a replacement, which confirmed our suspicions. While the new one worked the performance was a bit erratic. Had to re-program it, which is a bit awkward and must be performed in an exact order. "Preset" and "Track" may not be consistent from vehicle to vehicle. Took a few tries and re-sets. An easier method with a laptop apparently exists, but only works without on a Windows computer. Great, really, Nobody uses a Mac. Sigh... However, after a few tries and a deliberate reversing of up and down to match the on screen movements it finally worked. We will see how this continues over time. My time and patience are limited and this challenged both. Without Crutchfield's tech support I'd have simply returned it all.

Pros: It finally allowed steering wheel controls to work.

Cons: Overly complicated and at times less than clear directions. Possible quality control. I am not the only reviewer here to have a defective unit.

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Gilbert, AZ on 10/28/2016

Verified customer (What's this?)
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Product performed as specified. Installation instructions were not exactly correct. Had to make several calls to Tech Support. Finally after additional diagrams were sent, I was able to get everything working. I like being able to use the steering wheel button controls with the after market receiver. Gave it a 4 only due to missing data in instructions.

Pros:

Cons:

Crutchfield response on

0 of 1 found this helpful

Thanks Crutchfield: 2004 Toyota Sienna

Stephen from Annapolis, MD on 10/23/2016

2004 Toyota Sienna

Verified customer (What's this?)
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Excellent interface. Excellent support for Crutchfield. I tried three different interface cable clusters from sites that indicated they would support my situation, i.e., car to aftermarket radio. Everything snapped together easily and the splicing that was required was the same as any straightforward car radio instal. I had a little trouble with the steering column interface connection and an easy call to the Crutchfield support line resolved the issue quickly.

Pros: Easy install (similar to any aftermarket clip and splice).

Cons:

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Todd from Benton, AR on 10/17/2016

2005 Toyota Avalon

Verified customer (What's this?)
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It actually works! Yes, I installed this in a 2005 Toyota Avalon that originally came with the JBL stereo and amp. And it works perfectly. The amp works and the info screen still works for the AC and other non-stereo functions too. I had read up on installing on aftermarket stereo in an Avalon. And most installs include using a long wiring harness to put the factory stereo in the trunk in order to keep the info screen working. But with this PAC module, it's just plug and play. The stereo I installed was a JVC single DIN unit. It doesn't have the option for steering wheel controls, so I wasn't able to try that out. This is my daughter's car and I plan to get her a nicer double DIN unit for Christmas. I will then see how well the the PAC module retains those controls. But I suspect they will be fine. As others indicated in their reviews, the instruction are not really good. But in the Avalon, everything goes where you expect it to. So there was no hang-up. But I specifically bought this from Crutchfield because I wanted tech support in case I couldn't figure it out.

Pros: Works exactly as advertised in 2005 Avalon.

Cons:

Crutchfield response on

6 of 6 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Wailuku, HI on 10/17/2016

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I installed the PAC RP4.2-TY11 in my 2004 Toyota Tundra with the JBL stereo system. It's a perfect plug and play solution for the JBL system. The stock steering wheel controls works perfectly. I've put off any stereo upgrade because of the JBL system design.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Confusing instructions but it works

Chris from Houston, TX on 9/20/2016

2005 Toyota Sequoia

Verified customer (What's this?)
Verified employee purchase (What's this?)

Works as described. Now I have an aftermarket stereo and have full functionality of the steering wheel controls (SWC). The only reason I'm not giving it five stars is the instructions. It labels all of the harnesses and identifies each wire, but doesn't tell you exactly what to hook together. Also know that on your vehicle, you might have a couple of harnesses that you don't even use. I didn't know that at first so I wasn't confident that I had set it up correctly even though I did.

Pros: Does what it should. If you know a little bit about car audio and already generally know what wires need to go where you'll figure it out.

Cons: Confusing instructions. If you have never done a stereo install yourself you may not be able to follow the instructions. They lack some steps and details.

Crutchfield response on

1 of 2 found this helpful

Works. Complicated

Brian L from California on 9/16/2016

2011 Toyota Prius

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Installed this in my wife's car. Works great; however, somewhat complicated to install. More so because it doesn't really state that some of the harness is not required on some installs. Had two connectors that were not used.

Pros: Works as described.

Cons: Installation directions.

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Knoxville on 9/12/2016

2008 Toyota RAV4

Verified customer (What's this?)
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Parts did not provide interface for SWC connections as advertised

Pros:

Cons:

Crutchfield response on 9/14/2016
In response to this review, Daniel, one of Crutchfield's Tech Support Specialists, reached out to inform this customer that this interface does include steering wheel control retention for his RAV4. Daniel assisted him in the steps to make this happen and asked for the model of his radio to help him further.

2 of 3 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from New York, NY on 8/31/2016

2004 Toyota Sienna

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Not truly plug and play. Needed additional adapters for proper antenna hook up. Like ability to add additional programing to steering wheel control.

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

PAC RP4.2-TY11 Wiring Interface

Crutchfield customer from Guntersville, AL on 8/17/2016

2003 Toyota 4Runner

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Awesome product it allowed me to keep my premium sound system that came from the factory which includes my steering wheel controls.

Pros:

Cons:

Crutchfield response on

2 of 2 found this helpful

Was able to keep steering wheel controls

Clint M from Barrington il on 8/8/2016

2012 Toyota Corolla

Verified customer (What's this?)
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Adapter allowed me to keep factory steering wheel controls! Needed tech support to assist but was a good experience

Pros: Allowed me to keep factory controls

Cons: Lots of wires!

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Jerry R. from Augusta, GA on 8/7/2016

2006 Toyota RAV4

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Working fine, some install instructions were confusing,

Pros: Does everything it is supposed to

Cons: Instructions confusing in spots.

Crutchfield response on

0 of 0 found this helpful

PAC Interface

Bill H from Lakeland, FL on 7/27/2016

2011 Toyota Prius

Verified customer (What's this?)
Verified employee purchase (What's this?)

The PAC wiring interface was everything I needed for an easy and complete installation of my new radio. It included the steering wheel interface. The instructions were a little complicated for a novice like me. However, once I got started it seemed to fall into place.

Pros: Everything was included

Cons: Instructions are not as clear as they could be

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Tom B from Hastings, MN on 7/26/2016

2009 Toyota RAV4

Verified customer (What's this?)
Verified employee purchase (What's this?)

This wiring interface works great. I had very little trouble connecting it and getting it to work the first time. The instructions were a little overwhelming at first, but once I realized that my setup was relatively simple (I have the JBL speaker system, which handles all of the sound distribution), the audio connections and steering wheel controls worked the first time. The only problem i had was that my 2009 RAV4 has an antenna booster built in, and there is no connection in the PAC RP4 that connects to the antenna booster power in the car wiring harness. It took a couple of calls to Crutchfield to sort that out, but they have a note on which wire to splice into in the car wiring harness to connect to the Power Antenna radio wire. All was well after that.

Pros: Full featured, allows connection to my steering wheel controls

Cons: Instructions are a little complicated, but Crutchfield tech support easily handled my questions.

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring

RHadley from Castro Valley, CA on 7/25/2016

2005 Toyota Sienna

Verified customer (What's this?)
Verified employee purchase (What's this?)

Great product a little hard to wire. Had to splice in to the reverse wire to get the back up camera operating. Couldn't have done it without the great technical support of Crutchfield!!

Pros: The hands-free controls were great stereo sounds good.

Cons: The hands-free controls were great stereo sounds good.

Crutchfield response on

0 of 0 found this helpful

Issues with Prius

Lance D. from Ocala, FL on 7/22/2016

2004 Toyota Prius

Verified customer (What's this?)
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The instructions are not descriptive enough, You may need (most likely) a windows laptop to complete installation, after many, many calls to Pac audio and Crutchfield I was able to install it, but, there is a problem using this with Prius vehicles and only found out after consulting a few radio installation shops, the RadioPro4 is more problematic than they are worth and that most installers stick with the separate radio interface and steering control modules. I had a terrible unresolved issue with the volume on the stock amp bouncing up and down from 28 all the way up to 60 (max) and back down again, there was no resolution to the issue and I had to return it, I would suggest that if to have a second generation Prius that you do NOT use this module, it is bug ridden and most of the time result in undesirable issues. and don't bother calling Pac audio, the have no idea how to resolve the issue.

Pros: Should be an all in one solution to integrate your radio into your car's OEM digital amp and also have your steering wheel controls work.

Cons: Bugs in the unit itself are a major issue to having a successful install of your radio, they are know issues by radio installers and by Pac audio but, they have no intention of resolving them, I was told that the my Prius was an "old car" and that they cannot solve every issue that comes along with older cars.

Crutchfield response on

2 of 2 found this helpful

radio interface jbl

Gaston b from Bk ny on 7/19/2016

2011 Toyota RAV4

Verified customer (What's this?)
Verified employee purchase (What's this?)

Once I got it in and and working it is perfect but to much extra wire that are not need however is get 4 stars in my book

Pros: It works great with my aftermarket radio

Cons: To many extra wires need better install diarection

Crutchfield response on

0 of 0 found this helpful

PAC RP4.2-TY11 Wiring Interface

Josh from Savannah, GA on 7/13/2016

2003 Toyota 4Runner

Verified customer (What's this?)
Verified employee purchase (What's this?)

Great product easy install

Pros: Steering wheel controls work great.

Cons: Had remove radio twice because of lack of space behind radio I hit the program buttons disabling the controls

Crutchfield response on

1 of 1 found this helpful

pac wiring harness

joseph c. from Lake Worth, FL on 7/11/2016

2014 Toyota FJ Cruiser

Verified customer (What's this?)
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fit two of my four connections , seems to work well so far.

Pros: good instructions

Cons: lot of extra connectors.

Crutchfield response on

1 of 1 found this helpful

Not for the average Joe

Nathan from KY on 7/5/2016

2006 Toyota 4Runner

Verified customer (What's this?)
Verified employee purchase (What's this?)

Bulky and all of the extra untiltled wires make this unit very frustrating to install . I don't like having incomplete instructions but i finally made it through after taking the head unit harness and interface harness to a local shop that happens to have one of the Top one hundred installers in the nation ( he has the awards to prove it ) .

Pros: It works.

Cons: Lacking of a complete schematic.

Crutchfield response on

0 of 1 found this helpful

Install made easy

Dano from Wilmington, NC on 6/28/2016

2006 Toyota Sequoia

Verified customer (What's this?)
Verified employee purchase (What's this?)

This install kit allows for an easy install for the novice. All you may need in addition are butt connectors and a crimp tool. If you read the directions carefully all goes perfectly.

Pros: Plug and play for the most part, good directions

Cons: None

Crutchfield response on

0 of 0 found this helpful

PAC to the reacue

Scott from Pennsylvania on 6/20/2016

2008 Toyota Highlander

Verified customer (What's this?)
Verified employee purchase (What's this?)

Used as a replacement to the Metra Axxcess which wouldn't work for me. The RP4.2 installed easily and worked flawlessly.

Pros: Everything all in one unit, Good website and installation instructions.

Cons: Needs more labels for wiring harnesses.

Crutchfield response on

1 of 1 found this helpful

Gnarly Harness w/ Great Features

Jason from Spokane, WA on 6/19/2016

2007 Toyota Avalon

Verified customer (What's this?)
Verified employee purchase (What's this?)

The Toyota Avalon has a lot of electronic bits and pieces, and I thought I'd have to give up a bunch of them in order to install an aftermarket head unit. But this harness saved the day, and I was able to retain everything I used (you lose the stock nav, but I never use it). The instructions are straightforward, and the wires were all color coded and labeled as needed. Overall, this harness solved my problems and was easy to install.

Pros: Retains majority of core features, good instructions, easy to install.

Cons: None.

Crutchfield response on

2 of 2 found this helpful

It works. Good thing it's fairly intuitive

Jeff from Longmont, CO on 6/19/2016

2006 Toyota Sienna

Verified customer (What's this?)
Verified employee purchase (What's this?)

Not a whole lot of documentation so I had to do some guesswork. Fortunately, wires are color coded.

Pros: It works

Cons: Lack of documentation My brand wasn't listed under programming...has to manually program the steering wheel buttons

Crutchfield response on

0 of 0 found this helpful

Good when it works - possible manufacturer issues?

Jeff from Charlotte, NC on 6/15/2016

2004 Toyota 4Runner

Verified customer (What's this?)
Verified employee purchase (What's this?)

Troubleshooters, look here. I had purchased a "new to me" 4runner, and immediately ordered a new stereo (CDE-153BT) to put in it, and sprung for the extra cost of this harness to handle the factory amp and steering wheel controls. This was probably one of the more challenging installs I've done, as it's a LOT of wire, and trying to find a spot to cram it all in was a bit of a challenge, but it eventually worked out. After about a week, I started having intermittent issues if I was listening to bluetooth music and would receive rapid-succession text messages. The sound from the radio would completely cut out, even though I could tell sound was still playing. Convinced it was a faulty stereo/BT, I exchanged the CDE-153BT for a CDE-HD148BT, and am having the same issues. At this point, I'm now convinced that it's not the head unit, but this adapter that is causing the issues, and am getting it replaced, once it comes back in stock. Ultimately, I need the functionality so there's not much of a choice here, I just wish it worked better.

Pros:

Cons: