Metra 70-1771 Receiver Wiring Harness

Connect a new car stereo in select 1998-2011 Ford, Lincoln, Mercury, and Mazda vehicles

Item #: 120701771

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352 Reviews

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Metra 70-1771 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:

  • 12V constant power
  • 12V switched power
  • chassis ground
  • signal ground — connects to same receiver wire as the chassis ground
  • illumination
  • 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

  • Receiver wiring harness
  • Instructions

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 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:

Wire Color Function
Red +12 Volt Accessory
Yellow +12 Volt Constant
Black Chassis Ground
Empty (none)
Orange Illumination
Empty (none)
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 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 70-1771 Receiver Wiring Harness Reviews

Average Customer Review:

352 reviews
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Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, California on Tuesday, April 21, 2015

Crutchfield Customer Review (What's this?)

Worked fine. Well documented,

Super easy

Written By Anonymous, Medford wi on Wednesday, April 08, 2015

Crutchfield Customer Review (What's this?)

So easy.

Pros: Done in minuets.

Cons: None

Works great

Written By MikeL, Florida on Wednesday, April 08, 2015

Crutchfield Customer Review (What's this?)

This harness worked great - the instructions for the wire color coding was also a big help

Pros: installs easily, clear instructions, everything works

Cons: none

Fits perfectly

Written By Russ, Nevada on Tuesday, April 07, 2015

Crutchfield Customer Review (What's this?)

You need it. It works.

Pros: It works.

Cons: None

Metra 70-1771 Receiver Wiring Harness

Written By ROMAR, Florida on Wednesday, March 25, 2015

Crutchfield Customer Review (What's this?)

EASY TO SET

Metra 70-1771 Receiver Wiring Harness

Written By KeithJ, Texas on Tuesday, March 24, 2015

Crutchfield Customer Review (What's this?)

Using this accessory made the installation extremely easier. Due to the length of the original wiring within the truck, it would have been difficult to install without this.

Pros: great accessory... would not have wanted to install without it.

Cons: none

Easy

Written By Merle, Boardman, Ohio on Monday, March 23, 2015

Crutchfield Customer Review (What's this?)

Easy to use

Pros: Colors match right up

Cons: None

Good product.

Written By JM, Nevada on Friday, March 13, 2015

Crutchfield Customer Review (What's this?)

Does what is supposed to do. Make sure to solder and shrink wrap all connections for best install.

Pros: Wires are coded.

Cons: None

Just what I needed

Written By ricky, Gypsum,CO. on Saturday, March 07, 2015

Crutchfield Customer Review (What's this?)

good quality, good fit , good price, quick shipping

Pros: My head unit had more wires than the plug in but it all works fine.....

Cons: none

A+++++

Written By CS Milton, Florida on Thursday, March 05, 2015

Crutchfield Customer Review (What's this?)

This was perfect, all colors match making this extremely easy to use and making installation a breeze!

Pros: Extremely easy to use and fast installation

Cons: none

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, Lewistown, MT on Monday, March 02, 2015

Crutchfield Customer Review (What's this?)

Quality wiring adapter. Not much more to say.

Harness

Written By Andy, Texas on Thursday, February 26, 2015

Crutchfield Customer Review (What's this?)

plug and play. love it

Metra 70-1771 Receiver Wiring Harness

Written By BiilK, Georgia on Tuesday, February 24, 2015

Crutchfield Customer Review (What's this?)

Very easy to connect, took about 10 minutes.

Pros: Ease

Worked great

Written By Big Al, Texas on Monday, February 23, 2015

Crutchfield Customer Review (What's this?)

This wiring adapter (2009 Ranger pickup) worked perfectly. Color codes matched the Sony radio.

Pros: Color codes match radio.

Cons: None

Easy installation

Written By b, Memphis, TN on Thursday, February 19, 2015

Crutchfield Customer Review (What's this?)

I have been installing radios and stereo equipment in my personal vehicles since I was a kid.

Using a factory conversion wiring harness is the only way to go. Wiring it to your after market radio and simply plug your radio in. Can't beat it.

Pros: Makes installs fast and easy

Works great on 2003 Expedition

Written By Lee, Mayo, FL on Tuesday, February 17, 2015

Crutchfield Customer Review (What's this?)

Works great on 2003 Ford Expedition.

Pros: Plugs right in.

Cons: None

harness adapter

Written By Jon M, New York on Tuesday, February 17, 2015

Crutchfield Customer Review (What's this?)

the harness fit my 2002 Ford explorer xlt perfectly, after wiriing the other side to the sony harness it was ready to go. It fit perfectly!

Pros: Couldn't ask for a better match

Cons: None

Perfect match

Written By Q, NM on Sunday, February 15, 2015

Crutchfield Customer Review (What's this?)

It works

Pros: a whole lot easier setting up connections in the living room instead of hunched under the dash

Cons: wires weren't terminated for me.

Exact Match

Written By Rex, Illinois on Wednesday, February 11, 2015

Crutchfield Customer Review (What's this?)

Only way to do it.

Pros: Perfect match & instructions

Cons: none

Makes life easier!

Written By David L., Texas on Sunday, February 08, 2015

Crutchfield Customer Review (What's this?)

If you don't use this harness and the posi post connectors...you are wasting time! Installation is a breeze with this harness!

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, texas on Wednesday, February 04, 2015

Crutchfield Customer Review (What's this?)

Works great

metra reciever wiring harness

Written By kevin r, north ls vegas on Thursday, January 22, 2015

Crutchfield Customer Review (What's this?)

Made install easy and fast thank you Crutchfield for the recommendation.

Pros: Super easy to use

Cons: None

Easy Instrall

Written By Mike, Bozeman, MT on Monday, January 12, 2015

Crutchfield Customer Review (What's this?)

Fast and easy for my 2003 F 150 Cant believe how easy it was!!

Pros: Super easy install

Cons: none

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, Rockwood tn.37854 on Tuesday, January 06, 2015

Crutchfield Customer Review (What's this?)

Makes installation a snap.

The only way to install

Written By Lee m, North Carolina on Sunday, January 04, 2015

Crutchfield Customer Review (What's this?)

This harness made installation a snap.

Pros: Easy install, Can be put back stock if needed.

Wiring harness

Written By Steven, South Ga. on Sunday, January 04, 2015

Crutchfield Customer Review (What's this?)

Wiring harness fit as advertised. the lettering on the wiring could be more legible.

metra wiring adapter

Written By Robert, bybee tn. on Thursday, January 01, 2015

Crutchfield Customer Review (What's this?)

As always Crutchfield sends the most quality components to complete the installation. the wiring conector was no exception all you had to do is color match and compair wires to stereo harness plug into cars plug and your ready to rock.

Pros: Quality and ease of use

Cons: None

Wiring harness

Written By Greg, Indiana on Sunday, December 28, 2014

Crutchfield Customer Review (What's this?)

Excellent easy to use

Pros: Great and easy

Cons: none

wiring

Written By Jay, Rio Grande, NJ on Sunday, December 28, 2014

Crutchfield Customer Review (What's this?)

Simple installation.

Pros: Easy to install

Cons: None

Radio harness

Written By Tom, 98335 on Saturday, December 27, 2014

Crutchfield Customer Review (What's this?)

You didn't include the wire connectors like with the previous stereo I purchased. Had to drive to town to buy some. Not the end of the world, but irritating.

great radio

Written By deborah, wall,nj on Saturday, December 27, 2014

Crutchfield Customer Review (What's this?)

Great radio comes with installation wires

Metra 70-1771 Receiver Wiring Harness

Written By essteen, Minnesota on Tuesday, December 16, 2014

Crutchfield Customer Review (What's this?)

very simple and colors matched radio wiring harness. except there was a orange with black stripe wire that i am not sure what it would go to.

wiring harness adapter

Written By Anonymous, Watonga OK on Sunday, December 14, 2014

Crutchfield Customer Review (What's this?)

Speeded up installation and kept it simple.

Pros: Instructions were spot on

Cons: None

Does the trick!

Written By Andy, Colorado on Wednesday, December 10, 2014

Crutchfield Customer Review (What's this?)

Not much to be said here other than it works perfectly as described!

Pros: It works

Cons: None

Made for easy plug-in to my car

Written By Chris B., Anchorage, AK on Thursday, December 04, 2014

Crutchfield Customer Review (What's this?)

Works perfect after connecting to receiver and able to plug into my car

Pros: It fits

Cons: Got to connect some wires to other wires... But that was sort of a fun short tiny little project. I don't think that's a con though :)

Perfect connector

Written By Johnsp50, California on Sunday, November 30, 2014

Crutchfield Customer Review (What's this?)

Fit's my car perfectly. I had another company sell me the wrong connector but the Crutchfield team knew exactly what I really needed.

Pros: Easy installation

Cons: None

Wiring harnes

Written By M Decker, Morristown, NJ on Sunday, November 30, 2014

Crutchfield Customer Review (What's this?)

Worked great. Easy to install.

Wiring harness

Written By Dan, Bradenton, FL on Sunday, November 23, 2014

Crutchfield Customer Review (What's this?)

Good instructions easy to figure out and install.

Pros: Does what it is supposed to do. Easy to use

Cons: None

made my job easy

Written By RichieR, Illinois on Thursday, November 20, 2014

Crutchfield Customer Review (What's this?)

This harness was a perfect fit for our 2005 Ford E350. It really made the job so much easier.

Pros: The wires matched up exactly

Cons: none

Metra harness

Written By Ed, Woodlyn, PA on Monday, November 03, 2014

Crutchfield Customer Review (What's this?)

High quality product

Pros: Exact fit

Cons: None

2002 Ford Explorer Installation

Written By Billy E., Birmingham, AL on Monday, October 27, 2014

Crutchfield Customer Review (What's this?)

I used this wiring harness to mount my Kenwood DPX500BT radio in a 2002 Ford Explorer. It was an exact match to my 2002 Ford Explorer OEM radio harness plug.

Pros: Ease of connection to the Kenwood DPX500BT radio connector. Crutchfield wiring diagram was easy to match up to the Kenwood wiring diagram.

Cons: None

Worked as expected

Written By rbrumb, los angeles, ca on Monday, October 27, 2014

Crutchfield Customer Review (What's this?)

worked as expected

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, NM on Sunday, October 26, 2014

Crutchfield Customer Review (What's this?)

Perfect fit

Metra 70-1771 Receiver Wiring Harness

Written By DGT, Gr, mich on Wednesday, October 22, 2014

Crutchfield Customer Review (What's this?)

Wiring colors matched the radios perfectly was snap to hook up

Yellow wire was a dud.

Written By Liz, Golden, CO on Tuesday, October 21, 2014

Crutchfield Customer Review (What's this?)

Easy to connect my wires but the yellow wire didn't ever get any power to it (tested it several times). I've had to run through one of my fuses.

Pros: Color matching is easy

Cons: Dud wire.

Ford wiring harness

Written By FrankS, Hebron,ky on Tuesday, October 21, 2014

Crutchfield Customer Review (What's this?)

Good instructions sent and were free with free shipping. That is all that was needed to get me up and running.

Pros: accurate fit

Cons: none

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, Crawford, Co on Sunday, October 19, 2014

Crutchfield Customer Review (What's this?)

One of the best things that has come along in the aftermarket for installing stereos

Nice product

Written By David, Northeast Florida on Sunday, October 19, 2014

Crutchfield Customer Review (What's this?)

Big help

Pros: A really nice addition to make the installation of my new car radio easier. Takes the guess work out hooking the radio up.

Cons: Non that I can think of.

99 super duty

Written By steve, mt on Saturday, October 18, 2014

Crutchfield Customer Review (What's this?)

easy install with buttconecters

Pros: dont have to cut factory wires

Cons: none

Easy Wiring

Written By Frank, Chino, CA on Wednesday, October 15, 2014

Crutchfield Customer Review (What's this?)

Plug and Play into factory harness.

Makes install easy!

Written By Retro Man, Dixon, CA on Tuesday, October 14, 2014

Crutchfield Customer Review (What's this?)

Wow! what a easy install compared to the late 70's. All instructions and wires are there so no issues.

Pros: easy install

Cons: none

2005 Ford Explorer

Written By Henry, danvers, Ma on Tuesday, October 07, 2014

Crutchfield Customer Review (What's this?)

Used butt connectors for connections. Took about 10 minutes.

Pros: Easy

Cons: none

Make it easy

Written By Da, Buckeye, Az on Saturday, October 04, 2014

Crutchfield Customer Review (What's this?)

No cutting. Do your wiring at your kitchen table then plug and play

Pros: Even wires match factory color

Cons: No cons

perfect pin out

Written By Kevin, Smithtown New York on Monday, September 29, 2014

Crutchfield Customer Review (What's this?)

this thing made my installation extremely easy. Was perfect. And easy to use

Pros: fits perfectly into my Econoline 150

Cons: none

So easy to install.

Written By Darrin, Bowie, MD on Wednesday, September 17, 2014

First radio I've ever installed and everything went so smooth!

Pros: Simple matching wires.

Cons: None

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