Metra 70-1761 Receiver Wiring Harness

Connect a new car stereo to the factory wiring in select 1987-up Toyota, Lexus, Scion, Subaru, and Geo vehicles

Item #: 120701761

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Metra 70-1761 receiver wiring harness

This vehicle-specific wiring harness adapter makes connections between your new car stereo and your car's electrical system. It works with select 1987-up Toyota, Lexus, Scion, Subaru, and Geo vehicles.

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 it 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.


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

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

  • 8" Power/front-speaker harness
  • 7.5" Rear speaker harness
  • Instructions

Product Research


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 or crimp 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, & accessories are not included & sold separately. Please see the Accessories tab for recommendations & 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 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:

(Power/Front Speaker Harness)

Wire Color Function
Red +12 Volt Accessory
Yellow +12 Volt Constant
Black Ground
Blue Power Antenna
Orange/White Dimmer
White Left Front Speaker +
White/Black Left Front Speaker -
Gray Right Front Speaker +
Gray/Black Right Front Speaker -

(Rear Speaker Harness)      

Wire Color Function
Empty (none)
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 type of 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 verify what’s in the box, 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 70-1761 Receiver Wiring Harness Reviews

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Easy wiring

Written By Raybo, Soddy Daisy, TN on Tuesday, March 24, 2015

Crutchfield Customer Review (What's this?)

Easy match up, all wires matched radio color coding and plugged directly in to car harness.

Pros: Great color code match up

Metra 70-1761 Receiver Wiring Harness

Written By Anonymous, Wheelersburg, oh on Saturday, March 21, 2015

Crutchfield Customer Review (What's this?)

What can I say? It was a good wiring harness. Everything matched perfectly and it seemed to be well constructed.

Attach the Blue Wire!

Written By DaveZ, New York on Friday, March 20, 2015

Crutchfield Customer Review (What's this?)

Perfect, and a bargain when it's free with your stereo! Only thing is: DO connect the blue wire to the blue & black "remote" wire on your stereo, even though that remote wire is taped of. The instructions don't specify that, especially if the cable colors don't sync up perfectly.

Pros: Free with stereos that require it.

Cons: Downloadable instructions not 100% idiot proof

Metra 70-1761 Receiver Wiring Harness

Written By Phoenix, Pennsylvania on Thursday, March 12, 2015

Crutchfield Customer Review (What's this?)

does exactly what it is...

Pros: easy to use

Cons: wire labels could be better

Flawless Install

Written By WOW!, Ohio on Tuesday, March 10, 2015

Crutchfield Customer Review (What's this?)

Without this wiring harness, I wouldn't have attempted the install. Super simple transition from OEM to the Kenwood. I soldered the connections and used shrink tubing rather than use butt connectors so it took me about 15 minutes longer to install - time well spent. With a good harness, there should be no reason for paying for installation, EVER!

Pros: Worked flawlessly!

Cons: None

Great product

Written By Erik G., Green Cove Springs, FL on Monday, March 09, 2015

Crutchfield Customer Review (What's this?)

Great product. It made installation relatively easy for a first time installer.

Pros: Matched factory configuration

Cons: None

adapter kit

Written By garry, sc on Wednesday, March 04, 2015

Crutchfield Customer Review (What's this?)

The colored wires matched up perfectly with the radio plug wires and everything plugged into my tundra no problem.

Pros: Color coded

Cons: Should have come with the connectors to splice the wires together.

Great product!

Written By Todd, Hill, NH on Wednesday, March 04, 2015

Crutchfield Customer Review (What's this?)

Worked flawlessly!

Pros: Perfect fit!

Cons: None

Perfect Fit

Written By Brandon, Pennsylvania on Tuesday, March 03, 2015

Crutchfield Customer Review (What's this?)

Easy installation in my 2006 Toyota Corolla S. Fit perfectly.

Pros: Easy installation. Perfect fit.

Cons: Wire ends were not pre-stripped.

Metra 70-1761 Receiver Wiring Harness

Written By Josh, eureka,CA on Monday, March 02, 2015

Crutchfield Customer Review (What's this?)

Very simple to use

Pros: Every wire was labeled

Cons: Everything was good

Worked great for me

Written By Skittles, California on Tuesday, February 24, 2015

Crutchfield Customer Review (What's this?)

Easy set up once I figured out all the wires color co-originated. Seems to work fine for me. I also really like that it is plug and play with my car. Now if I ever want to put my stock radio back in I can super easy.

Pros: Does what it should.

Cons: No solder, crimps, or shrink tube included. I had my own so it was not an issue.

Wire harness for 2011 4Runner

Written By Kasey, Colorado on Thursday, February 19, 2015

Crutchfield Customer Review (What's this?)

Works great and makes installation a breeze ... just solder/connect everything up to aftermarket harness, and plug into factory connectors.

Pros: Makes aftermarket stereo install a plug-and-play affair.

Cons: None.

Metra wiring harness with 06 Tundra

Written By Bill, Georgia on Tuesday, February 10, 2015

Crutchfield Customer Review (What's this?)

06 Tundra. First radio install. Was worried about the number of wires involved initially. Tech support helpful. All the wires matched up color wise. Worked perfect.

Pros: Tech support. Color coded wires matched up the factory wiring. Match the colors and plug in. Worked.

Cons: none

Metra 70-1761 Receiver Wiring Harness

Written By Anonymous, East Orleans, MA on Thursday, January 29, 2015

Crutchfield Customer Review (What's this?)

Makes the install process so much easier.

Nice n Easy

Written By chadvi, California on Wednesday, January 28, 2015

Crutchfield Customer Review (What's this?)

This my my first time installing a HU. the harness was easy to connect. colors matched perfectly making it a no brainer.. and it plugged right in..!!

Pros: easy to use perfect match

Cons: none

the stress was over!

Written By Edgar, Huntington Beach CA on Wednesday, January 28, 2015

Crutchfield Customer Review (What's this?)

I was dreading having to cut the wires and solder them or do a half a$$ job by putting crimp connectors on and then wondering if I would have to put the old stereo back in if I wanted to sell my car and have to do it all over again! Then I thought, no way, I'm not doing it! I'm getting a wiring harness! Best decision I ever made! Plug it in and done! Thank you Crutchfield! No other company came to mind but yours!

Pros: Easy, quick, no mess, no cutting factory wires.

Cons: No cons.

metra70-1761 receiver wiring

Written By c, west valley utah on Wednesday, January 21, 2015

Crutchfield Customer Review (What's this?)

It worked perfect. Stereo sound great and is compatable now. Thanks Crutchfield

Pros: Works great and got here fast.

Cons: Pain to put in with older cars

Metra 70-1761

Written By Jeff, California on Thursday, January 15, 2015

Crutchfield Customer Review (What's this?)

Product is perfect. It does exactly what it is supposed to do

Pros: crimp, click, it works

Cons: none

Easy install

Written By JeffR, Maryland on Wednesday, January 14, 2015

Crutchfield Customer Review (What's this?)

Wiring harness was a perfect match for the 2007 Scion TC. Soldered and insulated wires to Pioneer radio harness. Everything plugged right in and worked properly.

Pros: Makes for an easy installation and can easily put factory stereo back in when selling car

Cons: None

Just fine specially for free

Written By RJ-03-4Runner, hartville,oh on Wednesday, January 14, 2015

Crutchfield Customer Review (What's this?)

Did the trick, not bad for "free install kit"

Pros: worked fine enough wire good add on freebie

Cons: its a wiring harness no con ! Free!

Worked well

Written By Bo, Oklahoma on Monday, January 12, 2015

Crutchfield Customer Review (What's this?)

Simple, excellent match and instructions

Pros: Everything

Cons: None

Great connectors

Written By Anonymous, Isabela, PR on Sunday, January 11, 2015

Crutchfield Customer Review (What's this?)

Perfect fit with scion xA


Written By Anonymous, Lansing, IL on Thursday, January 08, 2015

Crutchfield Customer Review (What's this?)


More for Crutchfield's support!

Written By Karstyn, California on Sunday, January 04, 2015

Crutchfield Customer Review (