Metra 70-1120 Receiver Wiring Harness

Connect a new car stereo in select 1988-95 Volvo vehicles

Item #: 120701120

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Metra 70-1120 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 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. 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: This harness doesn't include connections for illumination or dimming, so you may need to make those connections manually, depending on your new receiver.

  • 12V constant power
  • 12V switched power
  • chassis ground
  • power antenna turn-on
  • left front speakers +/-
  • right front speakers +/-
  • left rear speakers +/-
  • right rear speakers +/-

Note: Most vehicles will require additional installation parts — please identify your vehicle if you haven’t done so, then check here for a list of parts. You can also call an Advisor for more information.

Hands-on research

What's in the box?

Download owner's manual

  • 5" Power harness
  • 60" Amplifier bypass harness
  • Color code chart

Product Research

Features

Crutchfield Wiring Harness: Crutchfield 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, crimp, or otherwise connect the Crutchfield 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 Crutchfield wiring harness into your vehicle's factory radio plug.

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

Wiring Notes: If the Crutchfield 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 bypassing the vehicle's factory amplifier (in another location from factory radio) or hardwiring certain connections. If your vehicle is equipped with factory steering wheel controls, an additional adapter is required and sold separately.

Power Harness Color Codes:

Wire Color Function
Red +12 Volt Accessory
Yellow +12 Volt Constant
Black Chassis Ground
Blue Power Antenna
Orange Illumination
Yellow/Blue Left Dash Speaker +
Yellow/Black Left Dash Speaker -
Yellow/Red Right Dash Speaker +
Yellow/Orange Right Dash Speaker -

Amplifier Bypass Harness Color Codes:

Wire Color Function
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 -

 

The Crutchfield Car Selector: Please visit the Crutchfield Car Selector for your specific vehicle.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Metra 70-1120 Receiver Wiring Harness Reviews

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Volvo 940 radio wiring harness

Written By Lou, Hartford, CT on Monday, September 15, 2014

Crutchfield Customer Review (What's this?)

This was as easy as it gets. I made all my connections at my kitchen table and connected the three plugs and I was home. Armed with a wiring guide from the UK Volvo club web site and the information included with the harness it was a no-brainer.

Cons: You have to be careful about which harness to buy, my car had the two rectangular connectors and the package is actually labelled for a 240.

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