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Scosche GM02B / GM02

Wire Harness to Connect an Aftermarket Stereo Receiver to Select 1988-2005 GM Vehicles

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List price $19.99

$7.99

with warranty

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Arrives by Wednesday, Apr. 23 to zip 20147

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When replacing your factory radio with an after-market car stereo, the Scosche GM02B wire harness is a must for a quick and clean installation. It eliminates cutting your OE radio plug. After connecting it, your install is simple as the wires will color-match and easily connect to the after-market stereo. Without the Scosche GM02B, you would have to cut the OE radio plug and manually test each wire to connect to your after-market receiver.

In addition, because you do not have to cut your OE radio plug off, the GM02B allows you to reinstall your factory receiver if necessary. A great example is if you sold your car, but wanted to keep your after-market radio and re-install your factory stereo receiver. We also recommend the Scosche BOBAZT for a quick connection that is sure to last.

Product Features:
  • Harness is used when installing an aftermarket stereo
  • Connects the aftermarket stereo harness to the vehicles factory harness
  • Designed specifically to fit the compatible vehicles
  • Plugs into the factory harness without cutting any wires
  • Standard color coded wires provide a consistent and simplified installation
  • Made from OEM quality materials
  • Compatible with select 1988-2005 GM Vehicles

Connections:

  • Yellow 12V Constant
  • Red 12V Accessory
  • Black - Ground
  • Orange Dash Light Dimmer/Illumination
  • Green Left Rear Speaker (+)
  • Green with Black Stripe Left Rear Speaker (-)
  • White Left Front Speaker (+)
  • White with Black Stripe Left Front Speaker (-)
  • Purple Right Rear Speaker (+)
  • Purple with Black Stripe Right Rear Speaker (-)
  • Gray Right Front Speaker (+)
  • Gray with Black Stripe Right Front Speaker (-)
  • Blue - Power Antenna

Equivalent to: Metra 70-1858, American International GWH-344

Compatible Vehicle Makes

Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
Buick
Cadillac
Chevrolet
GMC
Oldsmobile
Pontiac

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
87%
4 Star
11%
3 Star
1%
2 Star
1%
1 Star
0%

Average Attribution Rating

Durability
4.9
Value
4.9
Features
4.8
Design
4.8
Usability
4.9

Leigh

Harrisville, MI

Overall
Durability
Value
Features
Design
Usability

Too EASY

April 11, 2014

A couple of cuts and connections and your done. Made the install so much easier and at no extra cost. Sonic Electronics is on top of it all.

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Cale

bakerfield, CA

Overall
Durability
Value
Features
Design
Usability

Cheap and easy

April 10, 2014

Just had to connect wires by collor and plug in and play

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Bret

Spring Hill, TN

Overall
Durability
Value
Features
Design
Usability

NEED

March 26, 2014

you will defiantly need this. Its very easy to use and install

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Jerry

Richmond, KY

Overall
Durability
Value
Features
Design
Usability

good sound

March 25, 2014

the radio sounds good and was simple to install at a great price.I could not have had a better deal.

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Ed

TX

Overall
Durability
Value
Features
Design
Usability

Easy to use

March 21, 2014

This harness was very easy to install used it install a pioneer hu in a 99 gm vehicle. Just match up the wire colors, solder and heat shrink. Plugged in the harness and i was done.

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RIP

Elon, NC

Overall
Durability
Value
Features
Design
Usability

a must have

March 16, 2014

No cons at all. Works like a charm. Just butt connect the colored wires with the cd player plug in and thats its. No problems.

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Tim

Rivesville, WV

Overall
Durability
Value
Features
Design
Usability

Nice Price

March 14, 2014

The right part for the job. Fit perfect and had easy instructions to follow.

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Andreas

Peoria, AZ

Overall
Durability
Value
Features
Design
Usability

great

February 25, 2014

Very easy to connect, wire for wire you can do this.

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chike

portland, OR

Overall
Durability
Value
Features
Design
Usability

great addon item

February 20, 2014

this item came in a bundle package with my stereo and it was an easy install, good product

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robert

north little rock, AR

Overall
Durability
Value
Features
Design
Usability

good deal

February 20, 2014

only cons I have is it should've came with antenna adapter that's the only reason I purchased the radio to keep from spending extra $ for the adapter but overall great product and I will continue to buy from sonic as long as they keep the deals rolling

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Gary

Gadsden, AL

Overall
Durability
Value
Features
Design
Usability

wiring harness adapter

January 2, 2014

Very complete and easy to use. Very good instructions and easy to make connections.

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ERNEST

Memphis, TN

Overall
Durability
Value
Features
Design
Usability

Scosche adapter plug

December 30, 2013

Made everything so much easier to connect up my unit. Thanks again Sonic!

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Phil

Emmett, ID

Overall
Durability
Value
Features
Design
Usability

Just plug and play

December 6, 2013

Installed a new Pioneer stereo in my 1997 Pontiac Bonneville and this product did the trick. Just match the wire colors to those of the provided stereo harness and it will do the job. For my particular car and stereo, there was no need to run a chassis ground, just plug into the harness ground wire.

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jomulk56

Smallville, IN

Overall
Durability
Value
Features
Design
Usability

Great Product

November 23, 2013

Included with my head unit install. Made installation a breeze.

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Brent

Fairfield, CA

Overall
Durability
Value
Features
Design
Usability

Perfect again

November 12, 2013

Sonic always knows what I need for my truck. Always 5 Star service.

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Donald

Dimondale, MI

Overall
Durability
Value
Features
Design
Usability

Exact wiring features needed to connect system to vehicle

October 17, 2013

The title says it all. I am glad they knew what harness to give me to make installation easy.

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K

Canada

Overall
Durability
Value
Features
Design
Usability

Worked perfectly.

September 20, 2013

Just solder the wires together, cover with shrink tubing and you get a nice clean hookup.

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Jordan

Rock Valley, IA

Overall
Durability
Value
Features
Design
Usability

Great!

September 17, 2013

Fit my 99 Bonneville perfectly. Super easy to wire and install

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Robert

Corinth, TX

Overall
Durability
Value
Features
Design
Usability

Nice Piece of equipment

September 17, 2013

Easy to use and install. This product fits like a glove.

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Bryce

Denham Springs, LA

Overall
Durability
Value
Features
Design
Usability

Recommend it

August 1, 2013

good product very easy to use with a great wiring chart

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Items we think you might want

BOBAZT thumbnail

Scosche BOBAZT

Designed to connect in-dash receiver wiring harness to vehicle wiring harness

Your Price $4.99

Product Summary

Manufacturer

Model Number

GM02B

UPC

033991005716

Weight

0.19lbs

Internal SKU

gm02b

Internal Product ID

1520

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Scosche GM02B / GM02