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Speaker Wiring Harnesses

For select 1998-up Mercedes, Porsche, and Volkswagen vehicles

Item # 12071051

These harnesses will allow you to plug your new speakers into the factory connectors present in the speaker...

Find what Fits your car

These harnesses will allow you to plug your new speakers into the factory connectors present in the speaker...

Item # 12071051

In stock
C$16.99

About the Speaker Wiring Harnesses

These harnesses will allow you to plug your new speakers into the factory connectors present in the speaker openings for your vehicle.

These harnesses will allow you to plug your new speakers into the factory connectors present in the speaker openings for your vehicle.

Note: Some aftermarket speakers have terminals that are wider than this harness's slide-on connectors. You may need to widen the harness's female slide-on connectors, or else crimp or solder the slide terminals included with the new speakers to the Crutchfield harness. Please enter your vehicle information or call a Sales Advisor at 1-888-955-6000 to find out if this model is compatible with your vehicle.

Includes Crutchfield's 60-Day Total Satisfaction Guarantee

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What's in the box:

  • 2 Speaker harnesses
  • Instructions
MFR #71-051C

Customer reviews

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Speaker Wiring Harnesses reviews

Average review:

107 reviews

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More details on the Speaker Wiring Harnesses

Pat M.

Product Research

Features

Speaker Harness: These speaker harnesses prevent you from having to cut your vehicle's factory speaker plugs when replacing your factory speakers with aftermarket car speakers. The speaker harness features two female quick-slide connectors on one end to attach directly to your new aftermarket car speakers & a proprietary Molex connector on the other end that connects to your vehicle's factory speaker plug.

Quick-Slide Connectors: The speaker harness is equipped with a large (positive) & small (negative) female quick-slide terminal. These quick-slide terminals fit directly onto most aftermarket car stereo speaker terminals (slight crimping may be required). In rare cases that the quick-slide terminals do not fit your car speaker terminals, you will need to solder the speaker harness to your aftermarket speaker's terminals or replace the quick-slide connectors on the speaker harness with the correct size terminal.

Note: Installation tools, hardware, & accessories are not included & sold separately. Please see the Accessories tab for recommendations & availability.

Quick-Slide Terminal Measurements: The positive female quick-slide terminal measures 0.205" (inner width), while the negative female quick-slide terminal measures 0.115" (inner width).

Wire Code Chart: Two identical speaker harnesses are included.

Wire Color Function
White Positive
Black Negative

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Polk Audio product has the greatest sound [ MARION  Oct 02, 2019 ]
A
It fit also. [ B  Aug 08, 2019 ]
A
It came with purchase of my speakers. [ Bradden  Mar 17, 2019 ]
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Easy installation [ LaQuan  Mar 05, 2019 ]
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easy [ Larry  Feb 18, 2019 ]
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They were required for installation and added at no additional costs. [ BRIAN  Feb 02, 2019 ]
A
Very excited for free speaker harness , came to buy them and saw that there were good deals on speakers and ended up getting them for free with two pairs of speakers , hoping the two day shipping is true !!! [ Jake  Feb 01, 2019 ]
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no other parts listed [ phil  Jan 31, 2019 ]
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Because it is needed for the car. [ Colin  Jan 29, 2019 ]
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It was included [ Derick  Jan 22, 2019 ]
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came with the speakers [ Matthew  Jan 15, 2019 ]
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Wiring harnesses came with the speaker purchase. [ Matt R.  Jan 14, 2019 ]
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Free [ John  Jan 12, 2019 ]
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Came free with purchase [ Lee  Dec 28, 2018 ]
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I needed it. [ Ryan  Dec 23, 2018 ]
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Recommended by service rep [ Timothy  Dec 15, 2018 ]
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Makes wiring a lot easier [ Kevin  Nov 22, 2018 ]
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Free with speakers. [ Michael  Nov 21, 2018 ]
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no mistaking how to hook speakers up. [ Vernon  Nov 21, 2018 ]
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love that when you purchase speakers, that they come with things to aid in the installation process. [ Ricardo  Sep 14, 2018 ]
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Free item from Crutchfield with my purchase. [ G  Aug 28, 2018 ]
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WHY HACK? DO A PRO JOB [ BILL  Jul 22, 2018 ]
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Comes with the speakers I purchased :) [ S  May 24, 2018 ]
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appropriate t application [ Andrew  May 14, 2018 ]
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Easier than hard wiring your speakers and messing up the factory brackets. [ Garrett  May 10, 2018 ]
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These came with my purchase [ Stephen  May 07, 2018 ]
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I picked the wire harness because it was free and that it makes my installation easier. [ Jared  Apr 09, 2018 ]
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Recommended [ Bill  Mar 23, 2018 ]
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came free and always a cleaner look when using the speaker wire adapters. Cutting factory plugs is sloppy and isn't smart when you go to put back in factory equipment if you ever sell vehicle. [ Joshua  Mar 19, 2018 ]
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Need for fit. [ Russell  Feb 13, 2018 ]
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ease of installation [ E  Jan 26, 2018 ]
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Came free with speaker purchase [ Darrick  Jan 15, 2018 ]
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It didn't work however I gave them a call and a new harness it's on it's way free of charge great costumer service [ victor  Jan 11, 2018 ]
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Comes with speakers [ William  Jan 04, 2018 ]
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Came with speakers for free [ Brian  Dec 24, 2017 ]
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it came free with order [ Stephen  Dec 16, 2017 ]
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No cutting or splicing required [ Ralph  Dec 10, 2017 ]
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Simplicity [ Ryan  Dec 07, 2017 ]
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was unable to remove at checkout [ meagan  Nov 28, 2017 ]
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Free [ SAM  Nov 25, 2017 ]
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It was suggested. [ Jerry  Nov 20, 2017 ]
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Because of compatibility with my vehicle. [ Sadnon  Nov 10, 2017 ]
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Ease of installation. [ Raymond  Nov 10, 2017 ]
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it was recommended [ Ryan  Nov 08, 2017 ]
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Crutchfield recommendation [ phil  Nov 07, 2017 ]
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makes the install super fast and easy. [ Blain  Nov 05, 2017 ]
A
They were included with my speaker choice. Outstanding compliment to an already awesome deal. [ Bradley Richard  Sep 03, 2017 ]
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Purchased to streamline custom install in a Volkswagen. [ Ethan  Aug 21, 2017 ]
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easier install [ Manuel  Aug 11, 2017 ]
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It was the recommended harness. [ M  Jul 26, 2017 ]
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Couldn't beat the price offered [ vincent  Jul 24, 2017 ]
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They were recommended by the crutchfield site [ R  Jul 09, 2017 ]
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makes installation in my vehicle easy! [ WALTER  Jun 30, 2017 ]
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It was included with the speakers [ Luke  Jun 20, 2017 ]
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Provided with speakers for free: I don't have to splice & crimp the spade lugs [ Chris  Jun 17, 2017 ]
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For upcoming speaker install [ Gary  May 09, 2017 ]
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Cuz they fit [ SCOTT  Apr 26, 2017 ]
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East conect [ KURTIS  Apr 25, 2017 ]
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I was recommended this product. [ Brett  Apr 13, 2017 ]
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to complete the install [ Joseph  Mar 31, 2017 ]
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save time from splicing wires [ Bradley  Mar 20, 2017 ]
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Its nice to have things like this included for free with speaker purchase [ Robert  Mar 17, 2017 ]
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Need new harnesses for plugging into new speakers [ Robert  Mar 03, 2017 ]
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Ensure the right fit and that material is ready if needed. [ Ramon  Feb 25, 2017 ]
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It was free with speakers. [ Marcos  Feb 02, 2017 ]
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Came free with speakers may not use them [ COURTNEY J  Nov 26, 2016 ]
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Cutting factory wires = bad. [ Donna  Nov 23, 2016 ]
A
I am installing my speakers [ JERRY  Nov 15, 2016 ]
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I choice you guys [ Junior  Nov 10, 2016 ]
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these are perfect VW matches [ joshua  Oct 07, 2016 ]
A
Mac from Charlottesville was very helpful. Mac's Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=220 [ C  Sep 13, 2016 ]
A
keeps factory harness intact. easy to use [ D  Sep 05, 2016 ]
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So I can have a clean install. [ Stephen  Aug 25, 2016 ]
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Recommended with the Kenwood speakers [ Brandon  Jul 08, 2016 ]
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Seems to fit Audi Car. Willing to try [ Maverick  Jun 08, 2016 ]
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worked great [ Frankie  Mar 31, 2016 ]
A
I can connect the aftermarket speakers without cutting wires [ Thomas  Mar 30, 2016 ]
A
Needed for my speakers [ William  Mar 24, 2016 ]
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I choose this harness so I wouldn't have to cut up the factory wiring harness. [ jack  Mar 24, 2016 ]
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Clean install [ Paul  Mar 21, 2016 ]
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Because I wanted the fit to be as close to OEM ans possible [ Dorian  Mar 18, 2016 ]
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Ease of installation. [ kenneth  Mar 17, 2016 ]
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Simple clean install [ J  Mar 12, 2016 ]
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they are needed to connect to the car wiring harness [ Hugo Rojas  Mar 09, 2016 ]
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Good price. [ Darian  Feb 29, 2016 ]
A
Choose this because it's easy to install. [ Eduardo  Feb 22, 2016 ]
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For my Passat [ trisha  Feb 18, 2016 ]
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A friend recommended it to me for my vehicle. [ Shannette  Feb 12, 2016 ]
A
It was recommended by Crutchfield to install the aftermarket radio. [ Eric  Feb 03, 2016 ]
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easier installation. [ Brandon  Jan 12, 2016 ]
A
Ease of wiring [ G  Dec 15, 2015 ]
A
New speakers installed and didn't have to cut up factory harness [ Charles  Dec 08, 2015 ]
A
I didn't, I really don't need them. [ Gennaro  Dec 08, 2015 ]
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3 questions already asked

Q
Would this fit a mercedes w203?
[ Janz  Nov 23, 2018 ]
1 answer
A
It's possible but we would need some more information as to the exact year make and model of the vehicle. Get in touch with one of our Product Advisors and we'll see what we have for you https://bit.ly/2QNxGQB
[ Cosmo  Nov 28, 2018 ]  Staff
Q
Do I need these if I'm going to run new speaker wire from aftermarket amp?
[ David  Oct 07, 2017 ]
2 answers
A
What year make and model component or just speakers all new wiring from amp to speakers or component system you will not need them as you will be putting new clip ends for wire to speakers
[ ANTONIO  Oct 14, 2017 ]
A
You will not need the speaker wiring harnesses when running new speaker wires, no.
[ Ryan  Oct 11, 2017 ]  Staff
Q
Is this a Crutchfield made part? If not what is the part number? I would like to find some and am overseas.
[ Will  Sep 02, 2014 ]
1 answer
A
I forwarded your question to an Advisor and they responded with the following: This speaker harness is not "made" by Crutchfield, it is made by Metra. They no longer actually offer the part however, and don't have a current item/model number for the part. It looks like we have them, simply because we had a large stock and have not sold out of them over time. There's a good chance that we may be one of the only solutions for getting their hands on this piece. If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat.
[ Krissy  Sep 10, 2014 ]  Staff

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