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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321 Reviews | 1 question - 1 answer

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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 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 70-1771 Receiver Wiring Harness Reviews

Average Customer Review:

321 reviews
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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

Fits factory Ford Excursion plug perfect!

Written By Scarpace, Austin, Texas on Friday, September 12, 2014

Crutchfield Customer Review (What's this?)

This adapter fit my Ford Excursion perfectly, super fast, easy install. Saves time and the color coding matched correctly.

Pros: Easy to install! Saves time! Color coded wires are correct!

Cons: None

Makes the job easy

Written By nathan, utah on Wednesday, September 03, 2014

Crutchfield Customer Review (What's this?)

These harnesses are great they make the job really easy just solder the harness then the install itself takes a couple minutes

Pros: Does the job well

Cons: So far so good

Basically Plug and Play

Written By Todd, SC on Wednesday, September 03, 2014

Crutchfield Customer Review (What's this?)

I love that Crutchfield makes it so easy to add devices. A few connectors, maybe some tape and "Presto!", Plug & Play radio.

Pros: Easy to use

Cons: no cons

'02 Explorer

Written By bubba doe, wilmington, ma on Monday, September 01, 2014

Crutchfield Customer Review (What's this?)

Easy plugged right in. Wires color matched Pioneer unit, no issues.

Pros: Easy

Cons: none

Wiring harness

Written By Rob.B, Cheyenne Wy on Wednesday, August 27, 2014

Crutchfield Customer Review (What's this?)

Made this install super easy

Pros: Perfect color coded

Cons: None

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, Memphis, TN on Tuesday, August 26, 2014

Crutchfield Customer Review (What's this?)

Worked perfectly

AWESOME!!!

Written By Antparin, NJ on Tuesday, August 26, 2014

Crutchfield Customer Review (What's this?)

A must-have when doing an installation!

Pros: Easy to use

Great fit

Written By wooter, Utah on Friday, August 15, 2014

Crutchfield Customer Review (What's this?)

Great fit with factory connector.

Pros: Great fit

Plug together great

Written By PugetSound Don, Puyallup on Thursday, August 07, 2014

Crutchfield Customer Review (What's this?)

If you are handy with a solder iron/gun this is a great way to go to connect up the receiver, no muss or fuss just a little time with the soldering gun.

Pros: No need to hack the vehicle's wiring Just plugs together.

Cons: A little better Instructions could be included i.e. more information/descriptions of the wires

Wire harness

Written By Don, Memphis, TN on Wednesday, August 06, 2014

Crutchfield Customer Review (What's this?)

Overall good product. I had a few wires that I didn't know where to connect them.

Pros: Made for a super quick installation

Cons: Had extra wires with no connections nor explanation on where to connect

so much better

Written By its a must, las vegas nv on Saturday, August 02, 2014

Crutchfield Customer Review (What's this?)

Wired it to the deck as soon as it showed up, plugged in and done must have

Pros: Must have no question

Cons: None

Good product

Written By Mark, East Prairie, Mo on Thursday, July 31, 2014

Crutchfield Customer Review (What's this?)

This was a good product and made the radio installation easy.

WIRE HOOK UP

Written By Matthew, Quincy FLorida on Monday, July 28, 2014

Crutchfield Customer Review (What's this?)

I have not done a Radio install for some years, and I was worried I could not see the writing on the wires, but they color coded them the same, after reading them I was able to just zip thru it, the instructions were great!

Pros: each wire labeled and match the colors, so it was very easy. instructions were very dead on! very simple.

Cons: None

Install Made Super Easy

Written By TheBocSez, Converse, TX on Monday, July 14, 2014

Crutchfield Customer Review (What's this?)

Made short work of installing my new stereo. Long gone are the days of splicing wires thank goodness.

Pros: Easy install, build quality

Cons: None

Easy straight forward

Written By Craig, Peoria AZ on Wednesday, July 02, 2014

Crutchfield Customer Review (What's this?)

does exactally what you need, all wires are there for a plug and play instal

Wiring Harness

Written By Al, Enid. Ok. on Friday, June 27, 2014

Crutchfield Customer Review (What's this?)

Worked Great!

Pros: Easy

Cons: None

Metra 70-1771 Receiver Wiring Harness

Written By Jay, Lexington, SC on Tuesday, June 17, 2014

Crutchfield Customer Review (What's this?)

Had to call company to ask about dimmer and illumination wires. I was on hold for 15 minutes I was told illumination wire shouldn't be used and they were in process of removing wires

Pros: Makes quick work of install

Cons: Extra wires with no explanation to what they are.

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, Auburn, maine on Sunday, June 15, 2014

Crutchfield Customer Review (What's this?)

This was exactly what i needed. After looking around town for two days and not finding it, Crutchfield came through for me.

Pros: It works

Cons: None

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, SLC, UT on Thursday, June 12, 2014

Crutchfield Customer Review (What's this?)

Makes install as easy as possible.

wire harness

Written By Matt, liberty, mo on Wednesday, May 28, 2014

Crutchfield Customer Review (What's this?)

excellent adapter

Pros: Wires matched up perfectly

Cons: None

perfect fit

Written By dsimmonds53, Avenel, NJ on Friday, May 23, 2014

Crutchfield Customer Review (What's this?)

Makes installing a radio a simple and neat project. No need to cut and splice the car harness. Easy swap out the radio if the car gets sold.

Pros: Wires up easily, and make the install simple and quick.

Cons: none

Wiring harness

Written By Mopar1265, Langhorne PA on Friday, April 25, 2014

Crutchfield Customer Review (What's this?)

Bought a new radio and Crutchfield gave me the harness. Even though my ld aftermarket radio was the same brand the connection to the radio was different and i was putting the old system in another vehicle. This had all of the connections i needed and worked perfectly. I had a question regarding hooking up the emergency brake and called tech support who was able to help with out any issues or long winded irrelevant questions.

Pros: easy to use and hook up with the instructions provided.

good wiring harness

Written By Anonymous, Greenfield, mass on Thursday, April 24, 2014

Crutchfield Customer Review (What's this?)

quality wire easy to install

Wiring made easy

Written By JimmyS, Atlanta Ga on Saturday, April 19, 2014

Crutchfield Customer Review (What's this?)

The instructions are very clear, no issues at all.

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, Durham, NC on Sunday, April 13, 2014

Crutchfield Customer Review (What's this?)

It doesn't get any easier than this. Try for yourself and see how much money you can save by installing your own equipment instead of paying someone else to do it.

Can't mess this up

Written By Gruch28, New York on Saturday, April 12, 2014

Crutchfield Customer Review (What's this?)

So easy to wire can't mess it up

Pros: Awesome impossible to mess up

Cons: Non

Metra 70-1771 Receiver Wiring Harness

Written By Anonymous, United States on Friday, April 04, 2014

Crutchfield Customer Review (What's this?)

Made for the easiest and cleanest install ive ever done. Worked great

Ford f150 Wire Harness

Written By TimR, Post Falls, ID on Thursday, April 03, 2014

Crutchfield Customer Review (What's this?)

Very simple to use. Instructions made the wiring to the harness a piece of cake. I'm not technical at all and this was my first stereo install. Very pleased!

Wrong Harness

Written By madvad, Estes Park, CO on Wednesday, April 02, 2014

Crutchfield Customer Review (What's this?)

This harness was not the correct one for my vehicle. Evidently older ford, mercurys and lincolns are tougher to match

Pros: none

Cons: didn't fit

great fit

Written By Anonymous, USA on Wednesday, April 02, 2014

Crutchfield Customer Review (What's this?)

easy to install all wires correct. 99 mercury grand marquis

Works Great

Written By DeweyM, Henderson, TX on Tuesday, April 01, 2014

Crutchfield Customer Review (What's this?)

Works just as intended...

Pros: ready to use; works as intended

Cons: none observed...

Metra 70-1771 Receiver Wiring Harness

Written By JamesM, Battle Ground, WA on Friday, March 28, 2014

Crutchfield Customer Review (What's this?)

Great device, made connecting the receiver to the car a snap and I have no electrical experience whatsoever.

Pros: Easy to use

Cons: none

Perfect fit!!

Written By G, Rochester, NH on Wednesday, March 26, 2014

Crutchfield Customer Review (What's this?)

Great fit!

Pros: Everything

Cons: none

Wire kit

Written By Jermaniac, RI on Thursday, March 20, 2014

Crutchfield Customer Review (What's this?)

Easy to connect , i went to my local store and bought quick connects.

Pros: Easy to understand instructions.

Cons: Should come with quick connects.

Easy to install

Written By Feury001, Maryland on Wednesday, March 19, 2014

Crutchfield Customer Review (What's this?)

Paired perfect for my f150.

Pros: Matched right up

Cons: None

Metra 70-1771 Receiver Wiring Harness

Written By John, Central Missouri on Tuesday, March 18, 2014

Crutchfield Customer Review (What's this?)

This was included with the purchase of my radio to fit my Ford F250 truck. The one that was used to attach the old radio was connected with crimp on connectors that were problematic when removing the old radio they got hung up on other wires and dash parts. I soldered the new connections and used shrink tube to make a straight splice and had no problems. One could use a straight crimp one connector with similar results.

Pros: Wires are pre stripped, Wire diagram included

Works great

Written By Flyboymd11, Coldwater, MS on Friday, February 21, 2014

Crutchfield Customer Review (What's this?)

Easy wire chart and to install

Receiver Wire Harness

Written By bsb4655, Batavia, IL on Tuesday, February 04, 2014

Crutchfield Customer Review (What's this?)

No problems, clear cut instructions.

Pros: Simple to follow instructions.

Too easy

Written By Rdavidp, San Antonio, TX on Tuesday, January 28, 2014

Crutchfield Customer Review (What's this?)

As always with Crutchfield, the wiring harnesses provided work like a champ and are super easy to install.

Kit for Ford

Written By PM, Virginia Beach, VA on Wednesday, January 22, 2014

Crutchfield Customer Review (What's this?)

Easy to hook up, radio works fine and seems to interface with the Ford plug well enough

Pros: Quick and easy to hook up

Cons: The dimmer wire was miscoded, was able to figure it out though

Metra 70-1771 Receiver Wiring Harness

Written By HUD, Amarillo, TX on Sunday, January 19, 2014

Crutchfield Customer Review (What's this?)

Worked great with factory harness

THE RECEIVER WIRE HARNESS

Written By EDWARD, KEOTA, OK. on Saturday, January 18, 2014

Crutchfield Customer Review (What's this?)

THE FIT WAS GREAT , AND COLOR CODES WERE VERY HELPFUL.

Pros: VERY WELL MADE HARNESS.

Cons: NONE

Wire harness

Written By Roger, El Centro,Ca on Wednesday, January 15, 2014

Crutchfield Customer Review (What's this?)

Very easy to use and tech support was great.

Pros: Ease of use, perfect fit, and tech support was great.

Cons: None

Receiver Wire Harness

Written By William M. Sullivan, Castle Rock, CO on Monday, January 13, 2014

Crutchfield Customer Review (What's this?)

Worked great, color coding was right on

Pros: Made connecting fast and easy

Cons: none

Colored coded for ease

Written By Nomapride, Sonoma Ca. on Tuesday, January 07, 2014

Crutchfield Customer Review (What's this?)

This worked great, they wires were color coded to that it matched up factory wiring colors. So between the wiring diagram and colors it worked great. Simple to use as go between from the factory to new pigtail from the deck unit.

Pros: Diagram easy to read, and the they were color coded

Good match

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