About the Metra 70-1002 Receiver Wiring Harness
Metra 70-1002 Receiver Wiring Harness
Metra 70-1002 Receiver Wiring Harness
This vehicle-specific wiring harness makes connections between your new car stereo and your car's electrical system.
First, attach the color-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.
Now, once this harness is connected to your new stereo, you'll be able to plug right into your car's factory radio connector. This harness saves installation time since you won't have to cut factory wires individually, and this also enables you to re-install the factory radio if needed. 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.
Connections:
Note: You'll need to make a ground connection between your new receiver and your car's metal chassis.
- 12V constant power
- 12V switched power
- power antenna turn-on
- dimmer
- left front speakers +/-
- right front speakers +/-
- left rear speakers +/-
- right rear speakers +/-
What's in the box:
Metra 70-1002 Receiver Wiring Harness owner's manual
- Receiver wiring harness
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More details on the Metra 70-1002 Receiver Wiring Harness
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Features
Metra Wiring Harness: Metra wiring harnesses prevent 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 Metra 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 Metra 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 Metra 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:
| Wire Color | Function |
|---|---|
| Red | +12 Volt Accessory |
| Yellow | +12 Volt Constant |
| Blue | Power Antenna |
| Orange | Illumination |
| Orange/White | Dimmer |
| White | Left Front Speaker + |
| White/Black | Left Front Speaker - |
| Gray | Right Front Speaker + |
| Gray/Black | Right Front Speaker - |
| Green | Left Rear Speaker + |
| Green/Black | Left Rear Speaker - |
| Violet | Right Rear Speaker + |
| Violet/Black | Right Rear Speaker - |
No Ground Wire: The wiring harness does not include a ground wire. You must ground your aftermarket head unit directly to the metal chassis of the vehicle.
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Customer Q&A
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I used this to install a JVC KD-R820BT into a 1994 Jeep Wrangler. It worked perfectly. I had to play with the "dimmer" and "illumination" leads to see which one I wanted to connect to the radio's illumination lead. I ended up hooking it to the Jeep's "illumination" lead.
Jim from So Cal