About the Metra 70-5518 Receiver Wiring Harness
Metra 70-5518 Receiver Wiring Harness
Metra 70-5518 Receiver Wiring Harness
This vehicle-specific wiring harness makes connections between your new car stereo and your Ranger's electrical system, including the Ford factory amplifier. You should select a new car stereo with two sets of preamp outputs to connect to this harness.
First, attach the colour-coded wires on your Crutchfield-supplied harness to the wires from your new stereo. If you're not using a soldering iron, we recommend that you purchase some wire connectors to secure the connections. Check out our handy article on three ways to connect the wiring harness here.
Once this harness is connected to your new stereo, you'll be able to plug right into your factory radio connector. This harness makes installing your new stereo easier, and allows you to put the factory radio back when you sell your vehicle or return it at the end of the lease. A detailed instruction sheet comes with the harness. Warranty: 60 days.
Please read this important note: This harness may not contain provisions for every wire needed to complete your installation, and it will not accommodate special navigation, video, or factory steering wheel control connections. You will need a special adapter if you want your factory steering wheel audio controls to work with your new stereo.
What's in the box:
Metra 70-5518 Receiver Wiring Harness owner's manual
- 8" Wiring harness
- 13" RCA harness
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Features
Wiring Harness: This wiring harness prevents you from having to cut your vehicle's factory radio plug when replacing your factory radio with an aftermarket head unit. Simply solder or crimp the wiring harness to your aftermarket head unit's harness (solder & crimps not included), plug the aftermarket head unit's plug into the rear chassis of the aftermarket head unit, and plug the wiring harness into your vehicle's factory radio plug.
Note: Installation tools, hardware, & accessories are not included & sold separately. Please see the Accessories tab for recommendations & availability.
Wiring Notes: If the wiring harness is not equipped with a ground wire, you will need to ground the aftermarket head unit's ground wire to the metal chassis of your vehicle. Some vehicle's may require you to bypass the vehicle's factory amplifier (in another location from factory radio) or hardwire certain connections. If your vehicle is equipped with factory steering wheel controls, an additional adapter is required & sold separately.
Wire Code Chart:
(Receiver Wiring Harness)
| Wire Color | Function |
| Red | +12 Volt Accessory |
| Yellow | +12 Volt Constant |
| Black | Chassis Ground |
| Black/White | Amp Ground |
| Orange | Illumination |
| Orange/Black | Not Used (tape-off) |
| White | Not Used (tape-off) |
| White/Black | Not Used (tape-off) |
| Gray | Not Used (tape-off) |
| Gray/Black | Not Used (tape-off) |
| Green | Left Rear Speaker + |
| Green/Black | Left Rear Speaker - |
| Violet | Right Rear Speaker + |
| Violet/Black | Right Rear Speaker - |
(Subwoofer/Center-Channel Harness)
| Wire Color | Function |
| Blue/White | Amp Turn-On |
| White RCA | Left Front Speaker channel |
| Gray RCA | Right Front Speaker channel |
| Green RCA | Left Subwoofer channel |
| Purple RCA | Right Subwoofer channel |
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