Metra 70-2002 Receiver Wiring Harness

Connect a new car stereo in select 2000-05 Chevrolet and Saturn vehicles

Item #: 120702002

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51 Reviews | 1 question - 2 answers

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Metra 70-2002 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. 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.


Note: This harness has three different red 12V switched wires. You'll need to connect only one, which is determined by your vehicle model and series. The included instructions will help you identify which one to use.

  • 12V constant power
  • 12V switched power
  • chassis ground
  • power antenna turn-on
  • 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

  • Power/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
Yellow +12 Volt Constant
Red +12 Volt Accessory
Orange Illumination
Orange/White Dimmer
Black Ground
Blue/White Power Antenna/Amplifier Remote
Green Left Rear Speaker +
Green/Black Left Rear Speaker -
Violet Right Rear Speaker +
Violet/Black Right Rear Speaker -
Gray Right Front Speaker +
Gray/Black Right Front Speaker -
White Left Front Speaker +
White/Black Left Front 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 70-2002 Receiver Wiring Harness Reviews

Average Customer Review:

51 reviews
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Works Like Expected

Written By biggej88, Pauline, SC on Tuesday, January 20, 2015

Crutchfield Customer Review (What's this?)

Makes installation a snap.

Metra 70-2002 wiring harness

Written By Randy, Wisconsin on Thursday, January 15, 2015

Crutchfield Customer Review (What's this?)

Made the unit fairly easy to install.

Pros: Makes for easy plugging in of unit to wire harness in car.

Cons: Do need to be able to either solder or use wire nuts well for good connections.

Perfect fit for saturn l300

Written By Toycatfish, Florida on Sunday, December 28, 2014

Crutchfield Customer Review (What's this?)

Perfect fit for my Saturn,

Pros: No need to cut any wires, wires end pre stripped. Was able to wire radio while sitting at my kitchen table

Cons: Wires could have been labled a little more clearly.

wire harness

Written By Scott S., Dyer, TN on Sunday, December 07, 2014

Crutchfield Customer Review (What's this?)

Can't go wrong with this item when installing an aftermarket radio.

Pros: Great item

Cons: None

wire harness

Written By wilk, elkton md on Tuesday, November 04, 2014

Crutchfield Customer Review (What's this?)

great fit !

Pros: works

Cons: n/a

Simply works

Written By Anonymous, Lockport, IL on Sunday, August 24, 2014

Crutchfield Customer Review (What's this?)

Simple to connect...just follow the easy to use instructions and it works!

Pros: Easy to follow instructions

Cons: None

Metra 70-2002 Receiver Wire Harness Reviews

Written By WCM, Downingtown, PA on Thursday, July 03, 2014

Crutchfield Customer Review (What's this?)

The Metra 70-2002 Receiver Wire Harness allows for a flawless connection between the vehicle's original wiring harness and an aftermarket head unit. It avoids any alteration to the vehicle's native wiring and allows for final assembly of the Metra harness to the head unit's connector on the bench, hence, there's no cutting or splicing within the car's dash board. Finally, the setup is completely reversible such that there is no issue reverting back to the vehicles original radio or installing a different after-market unit.

Pros: Clear instructions, quality product with an exact fit to the original wiring harness connector

Cons: Would be nice if either crimp connectors or shrink tubing were included to facilitate assembly

Wire Harness

Written By corronamj, Green Cove Springs, FL on Monday, June 09, 2014

Crutchfield Customer Review (What's this?)

Great harness, was an exact fit, and worked perfectly, well marked.

Pros: Great product.

Cons: none

Made it easy for this first timer

Written By OrionRed, Columbus, OH on Saturday, May 24, 2014

Crutchfield Customer Review (What's this?)

OK, this is NOT the same thing you'll see at Best Buy. This is exactly the right part for your car. All of the wires were separately labeled, on top of being the 'standard' colors.

In my case, there were two extra wires for some controls the crappy radio I bough didn't have. I'm going to fix that problem by getting another radio, When I do, I'll buy another one of these connectors. I'll use those twisty connectors they sell here too, they worked great.

If you are putting this in a Saturn SL2, DON'T beat on the top dashboard cover while putting it back in or you'll blow your instrument panel lights.

If you are using this

Pros: Long wires, good labels, proper gauge of wires.

Cons: I made the whole cable too long and had trouble stuffing it in the dash.

Good to go

Written By Dmented, Beaufort, SC on Sunday, April 20, 2014

Crutchfield Customer Review (What's this?)

Nice and easy, can't complain about that

Exact harnes

Written By 2002chevy, merced on Thursday, April 03, 2014

Crutchfield Customer Review (What's this?)

The right harnes for my needs

Pros: Easy to wire

Cons: None

Great product

Written By mr.fab, Croydon, UT on Tuesday, April 01, 2014

Crutchfield Customer Review (What's this?)

Fit my 2000 Saturn SL2 perfect, great bonus for free with my Clairion receiver purchase. Thanks again Crutchfield for fast friendly service and for providing a great product.

Pros: fit right

Cons: none

Worked just fine

Written By Steve, Colorado Springs, CO on Friday, February 28, 2014

Crutchfield Customer Review (What's this?)

It's just a harness, but it worked fine. No problems at all.

Metra 70-2002 Receiver Wiring Harness

Written By Hockw, Cincinnati, Ohio on Sunday, February 09, 2014

Crutchfield Customer Review (What's this?)

A little more involved than other harnesses, still had to make wiring connections

Pros: Nice match to head unit. Easy instructions.

Cons: Wiring connections instead of plug to plug

did not work

Written By Anonymous, las vegas on Friday, January 03, 2014

Crutchfield Customer Review (What's this?)

The wiring harness did not work. Luckily the radio I was replacing was an aftermarket radio with one already installed.


Written By Paul C, Cincinnati Oh on Monday, December 30, 2013

Crutchfield Customer Review (What's this?)

Made install simple. Moves the thinking part from under dash to at kitchen table. Then just plugged into dash.

Pros: Perfect match. Convenient.

Cons: None.

Receiver Wire Harness

Written By craigel, Rockford, IL on Thursday, December 05, 2013

Crutchfield Customer Review (What's this?)

These harnesses simplify installation tremendously. No more having to splice wires in a confined space, you can splice this to your deck's harness beforehand. Makes installation more like "plug and play."

Pros: simplicity and neatness. If you ever uninstall your deck, you aren't left with a mutilated factory harness.

Metra 70-2002 Receiver Wiring Harness

Written By Ron V, Durham NC on Friday, November 29, 2013

Crutchfield Customer Review (What's this?)

Fits perfectly and easy to install. finished in less than 10 minutes.

stereo adaptor

Written By Anonymous, Watervliet NY on Monday, November 18, 2013

Crutchfield Customer Review (What's this?)

It worked as designed. Also crutchfield had fair pricing and free shipping.

Super easy

Written By MikeB, Dallas, GA on Monday, October 28, 2013

Crutchfield Customer Review (What's this?)

Super easy to install. Plugs right into factory harness.

Pretty Easy To Install

Written By Renee, Reading, PA on Thursday, July 11, 2013

Crutchfield Customer Review (What's this?)

A novice like me, Only took about 15mins to get them all setup and crimped. And works great.

Pros: Easy

Cons: none

Metra 70-2002 Receiver Wiring Harness

Written By caveman, Iowa on Saturday, June 29, 2013

Crutchfield Customer Review (What's this?)

perfect fit

Pros: none

Cons: none

2002 avalanche amp bypass

Written By alex bash, Conyers, GA on Monday, June 24, 2013

Crutchfield Customer Review (What's this?)

I used this to bypass the factory amp in my 2002 avalanche. It worked perfectly for that except that I had to move some of the wires around before hand.

Pros: Plugs in just fine right number of wires.

Cons: None. Probably works better for its design purpose though.


Written By RN, Sebring, FL on Tuesday, June 04, 2013

Crutchfield Customer Review (What's this?)

As described. Perfect fit.

Saves a lot of time

Written By VinnyinRI, Cranston, RI on Sunday, April 07, 2013

Crutchfield Customer Review (What's this?)

Makes head unit install a whole lot easier.

Pros: ease of use

Cons: none

Metra 70-2002 Receiver Wiring Harness

Written By Anthony P, North Attleboro ,MA on Monday, March 25, 2013

Crutchfield Customer Review (What's this?)

What a simple and elegant install to do. This takes the work out of it and makes it bullet proof from mistakes. The shrink tube does help the over all look of the job. Thanks for the suggestions.

Pros: Easy install with professional touch

Cons: None to my knowledge.

Nice easy adaptor

Written By JCC, Nebraska on Monday, January 21, 2013

Crutchfield Customer Review (What's this?)

This adapter makes the installation a snap. The instructions are good and the wiring wire colors make it even simpler. I recommend heat shrink tubing vice tape to make a much neater installation.

Pros: Makes the installation a snap.

Cons: None


Written By Anonymous, radford,va on Thursday, December 06, 2012

Crutchfield Customer Review (What's this?)

I was happy that it was so easy to connect this harness to the harness on my head unit, instructions were great

Pros: easy


Written By JeffS, Zion, IL on Saturday, September 29, 2012

Crutchfield Customer Review (What's this?)

After connecting to radio it stated wired incorrectly. I called Crutchfield support and they had me verify wiring. Wiring was correct on radio side connector was wired incorrectly. I had to go to the local big box store to get the correct one.

Pros: Connected to factory connection

Cons: Wired wrong from the factory. I had to go to the local big box store to buy the correct type. Did not work Saturn ION

Crutchfield response on Thursday, October 04, 2012 We reimbursed JeffS for the amount he spent to purchase another harness. We will also be checking our inventory to make sure we didn't get a bad batch.

Definite Time Saver

Written By Taz, Buena Park, CA on Saturday, June 09, 2012

Crutchfield Customer Review (What's this?)

Fantastic, Crimped all the wires to the head unit in my living room while watching T.V., then next day when I installed the Head Unit it plugged right in. No way would I ever do this without this Wire Harness.

Pros: Perfect fit, easy to connect, Clear Instructions

Cons: None

Perfect Install

Written By SteveH, Ithaca NY on Tuesday, May 29, 2012

Crutchfield Customer Review (What's this?)

Exact match

GM speaker wire harness

Written By Dan, Louisville, Ky on Friday, May 18, 2012

Crutchfield Customer Review (What's this?)

Wow, never again will I cut a factory wire harness and struggle to get it right. I pre-wired my Kenwood unit harness into this on my front porch in like 15 minutes. I took the factory unit out plugged this straight into factory plug and was listening to new music in less than an hour. The included master sheet also told me what wires i did not need for my application. Crutchfield does their homework!

Pros: Fast, user friendly, reusable

Cons: NONE, and it comes free with your purchase

GM harness wire !

Written By EdwinS, Colonia, NJ on Thursday, March 08, 2012

Crutchfield Customer Review (What's this?)

Very simple just compare Master sheet instruction and GM harness instruction for correct connection , it will fit like a glove ! Don`t freak out if you have extra wire leftover !

Works like a charm

Written By Kyle518, Wesley Chapel, FL on Wednesday, February 22, 2012

Crutchfield Customer Review (What's this?)

Works flawlessly in my 2003 Saturn Vue.

Nice & easy

Written By Bob G., York, PA on Saturday, January 28, 2012

Crutchfield Customer Review (What's this?)

Really easy install. Soldered the adapter to the new radio, plug & play. Worked perfect.

Pros: Worked perfect

Cons: None

GM Wire Harness

Written By Rob, North Apollo, PA on Saturday, January 28, 2012

Crutchfield Customer Review (What's this?)

Great fit. Wires are pre spliced.

Pros: Crutchfield makes sure you have everything you need to install

Metra 70-2002 Receiver Wiring Harness

Written By Anonymous, Central Florida on Saturday, September 03, 2011

Crutchfield Customer Review (What's this?)

What can you say about a wiring harness .... all the wires are there and it worked. It does make the job a lot easier and cleaner.

Saturn receiver wiring harness

Written By Tim, Keizer, Or on Tuesday, July 19, 2011

Crutchfield Customer Review (What's this?)

The saturn receiver wiring harness fit perfectly, and easy to install.

Worked fine

Written By Jules, VA on Saturday, March 05, 2011

Crutchfield Customer Review (What's this?)

The only suggestion is that it would have been helpful if the item included some sort of
wire fasteners. I used some screw caps that I had lying around, and they did the job
with some electrical tape, but installation would have been easier with smaller crimp-
style connectors.

Metra 70-2002 Receiver Wiring Harness

Written By augie, brooklyn,ny on Thursday, February 10, 2011

Crutchfield Customer Review (What's this?)

great product..used butt spice connectors to attach to vehicle harness..then just plug in
also spliced theground wire to vehicle ground strap..this makes life so easy

Did Not Work

Written By Trevor G., Baton Rouge, LA on Thursday, January 20, 2011

Crutchfield Customer Review (What's this?)

I received the harness and it just would not work at all with my factory speakers and Pioneer
stereo. I would have sent it back but it came with the kite I ordered.

Metra 70-2002 Receiver Wiring Harness

Written By Kevin, Abilene, TX on Sunday, October 10, 2010

Crutchfield Customer Review (What's this?)

Fit my car perfect, was easy to install with the wiring diagram from Crutchfield.

major time saver

Written By Philip, Texas on Tuesday, September 21, 2010

Crutchfield Customer Review (What's this?)

this made a 3 ish hour installation turn into a 30 min installation, comes with a step by
step wiring map, and well just made everything a lot easier

don't do a job without it

Written By AceL, Honolulu, HI on Friday, September 17, 2010

Crutchfield Customer Review (What's this?)

I remember struggling with wires crammed inside the dash because I had to cut off the
factory deck connector. NO MORE! From my living room I was able to pre-wire the GM
harness to my new receiver harness. simple, relaxed. what a time saver.

Absolutely Perfect!

Written By Mike, Ludington, MI on Monday, August 23, 2010

Crutchfield Customer Review (What's this?)

Worked perfectly for my 2002 SL1. I read instructions carefully several times before pairing
up the correct wires. Instructions that came with the Harness were right on => I used them to
pair the wires, then crimped them together, one at a time, starting with those I was most sure
were correct. With a little time, it all worked well. SL1 radio had a chassis ground that didn't
pair up with the harness, but I was able to use the Sony receiver's metal DIN box to attach
this ground. Crutchfield is right on - what an awesome resource! Thank you...

2003 Saturn L200

Written By Paul, Miami, FL on Wednesday, June 16, 2010

Perfect!! Fits just Perfect no need to cut any wires on the factory radio harness to make this fit it just snaps right on!.. Thank you Crutchfield for including this item and the dash trim with my purchase..

This is why you can't beat Crutchfield service..


Written By Sean, Lynn, MA on Tuesday, April 14, 2009

Crutchfield Customer Review (What's this?)

great for ease, connected all the wires in my house and walked out and pretty much plug and played my new stereo, had a little confusion because my new stereo had 2 wires for power and memory, did a 3 way splice and the memory works fine, USB remembers where on flash it was and time is great.

Metra 70-2002 Receiver Wiring Harness

Written By Tyler, San Diego, CA on Tuesday, January 27, 2009

Crutchfield Customer Review (What's this?)

I was sent this wiring harness for free with my purchase of an alpine deck. It made things a lot easier and quick. If I ever want to put the stock stero back in it will be really easy.

Works Great

Written By Aaron, Bradenton, FL on Thursday, April 05, 2007

Crutchfield Customer Review (What's this?)

This wiring harness was included with my new Kenwood head unit I purchased from Crutchfield. It worked perfectly in my 2003 Saturn ION - what a time saver! Now, when I eventually go to sell the car, I will be able to re-install my stock Saturn radio within minutes.

Perfect fit

Written By Christopher, Aviano Air Base Italy on Tuesday, October 03, 2006

Crutchfield Customer Review (What's this?)

This adapter fit my factory plug on my 2000 Saturn SC1 perfectly. The color coded wires even matched my new head unit exactly too. I soldered all my connections for a permanent installation.

Makes installation a breeze

Written By PAMELA, Appleton, WI on Saturday, November 19, 2005

Crutchfield Customer Review (What's this?)

Thanks Crutchfield for including this wiring harness. It made installation so quick and simple.

I used Butt connectors (I don't solder) to hook up the wiring in my warm workshop. Then I spent 30 minutes in the garage completing the installation.

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Questions & Answers Ask the community. Share your knowledge.

1 question already asked

Well, I never figured out what it was for, but I taped it off and didn't use it. It would have been nice if the darn instructions said something other than where the "red" wire goes. Used on a 2000 Saturn SL1. [ JTurner6972  May 26, 2014 ]
Joe T, I used this harness for a 2000 Saturn LS1 a year ago. I merely matched everything up, heat shrink and stereo works perfectly. Sorry, I do not specifically remember what this wire was for. Did you call or email crutchfield support ? Sorry I could not have been more help-good luck Bob S. [ ROBERT  May 26, 2014 ]

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