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Scosche GM03B

Wire Harness to Connect to Aftermarket Stereo Receiver to Select 1992-Up GM Vehicles

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List price $19.99

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$6.99

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Arrives by Monday, Dec. 19 to zip 94107

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Scosche Audio Store

When replacing your factory radio with an after-market car stereo, the Scosche GM03B 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 GM03B, 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 GM03B 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 1992-Up 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
  • Blue with White Stripe - Remote Turn-on

Harness Features

Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Connect/Install an Aftermarket Car Stereo
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
Oldsmobile
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
Buick Century
Buick Lesabre
Buick Park Avenue
Buick Regal
Buick Riviera
Buick Roadmaster
Cadillac Deville
Chevy Camaro
Chevy Silverado
Chevy Suburban
Oldsmobile 98
Oldsmobile Alero
Oldsmobile Aurora
Oldsmobile Cutlass
Oldsmobile Delta 88
Oldsmobile Intrigue
Oldsmobile Silhouette

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
96%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
4%

Average Attribution Rating

Durability
4.8
Value
4.9
Features
4.7
Design
4.8
Usability
4.8
Fernando

Porterville, CA

Overall
Durability
Value
Features
Design
Usability
2000 Alero Kit

October 22, 2010

Perfect just snapped right on.

32 of 36 found this helpful

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Larry

Keithville, LA

Overall
Durability
Value
Features
Design
Usability
Great, no problems

October 30, 2011

It worked exactly like you said it would. What more can a customer ask.

31 of 35 found this helpful

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Mark

Canada

Overall
Durability
Value
Features
Design
Usability
good product

September 7, 2013

Good quality
Easy to use
I would recommend this product

28 of 32 found this helpful

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Corey

Centralia, WA

Overall
Durability
Value
Features
Design
Usability
Factory connection made easy

September 1, 2011

This adaptor worked perfect and made the install go easy.

28 of 32 found this helpful

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Richard

Pinson, AL

Overall
Durability
Value
Features
Design
Usability
Scosche GM03B / GM03

September 21, 2009

Connector worked well and was easy to install.

26 of 29 found this helpful

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andrew

sacramento, CA

Overall
Durability
Value
Features
Design
Usability
need it

February 23, 2011

I installed a stereo in my friends car and it was difficult trying to stuff all of this behind the radio in his 98 Buick lesabre. There are no better options though so you still have to get it. The radio did fit but we had to hold it back against all of the wires and the connector to get the bolts in. I even tried zip tying all of the wires together and putting them up out of the way. The factory cage that holds the original stereo is just very small in that car. +the stereo required an antenna adapter and the stereo had a lot of options requiring about 25 wires

25 of 29 found this helpful

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mindy

parkersburg, WV

Overall
Durability
Value
Features
Design
Usability
Great product and very easy to install and very easy to use

August 10, 2012

Great product and very easy to install and very easy to use.

23 of 27 found this helpful

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robert

fort wayne, IN

Overall
Durability
Value
Features
Design
Usability
Excellent product!

December 18, 2009

Product was delivered on time and in great condition. It made installation very easy.

22 of 26 found this helpful

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Nicholas

Orangeburg, SC

Overall
Durability
Value
Features
Design
Usability
Wrong harness for car.

April 18, 2010

Don't get this harness if you own a caddy. Sadly the harness that is needed will cost you $85.

21 of 25 found this helpful

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Pedro

bakersfield, CA

Overall
Durability
Value
Features
Design
Usability
worked perfect

December 12, 2013

easy to use,everything is labeled so you can;t get it wrong

20 of 24 found this helpful

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chris

east providence, RI

Overall
Durability
Value
Features
Design
Usability
Made everything easy

March 12, 2013

Free (when i purchased my head unit), made hooking up everything so much easier, time saver

21 of 26 found this helpful

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James

Lake Geneva, WI

Overall
Durability
Value
Features
Design
Usability
Perfect

February 10, 2014

Made the install of my Pioneer MVH-X560BT into the 1997 Buick Rivera a snap!! You cannot go wrong with this harness.

20 of 25 found this helpful

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Lamarcus

Starkville, MS

Overall
Durability
Value
Features
Design
Usability
great connections

April 22, 2013

This product what a perfect fit to put in an after market system in my 99 Buick Century.

20 of 25 found this helpful

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Adam

Morton Grove, IL

Overall
Durability
Value
Features
Design
Usability
very easy to use

July 13, 2011

I have used the wiring harness adapters many times in the past and they never fail. Easy to solder, easy connection and are very durable.

19 of 24 found this helpful

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Stereo Guy

Snellville, GA

Overall
Durability
Value
Features
Design
Usability
Works As Intended

September 19, 2013

This item works as intended

18 of 23 found this helpful

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James

Odessa, TX

Overall
Durability
Value
Features
Design
Usability
Works Well

November 7, 2011

Exactly what I would expect from this adapter.

18 of 23 found this helpful

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Omar

Nogales, AZ

Overall
Durability
Value
Features
Design
Usability
Great value!

June 7, 2014

Good quality harness. Easy to install, also the components as wires, terminals and connectors look good.

18 of 24 found this helpful

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brendan

milton, PA

Overall
Durability
Value
Features
Design
Usability
it WORKS

June 8, 2009

not much to say.. worked in my 00 intrigue np

15 of 18 found this helpful

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robert

springfield, IL

Overall
Durability
Value
Features
Design
Usability
Awesome Stuff

July 6, 2012

Does what it says. Wire up your wiring harness from the head unit to this and plug everything in!

17 of 24 found this helpful

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Robert

Canada

Overall
Durability
Value
Features
Design
Usability
Big time saver!

November 29, 2012

First time using one of these quick converters, I usually just crimp the wires myself to save a buck. But I'm old enough to afford one of these now and it is worth every penny :)

13 of 17 found this helpful

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Mike

Tucson, AZ

Overall
Durability
Value
Features
Design
Usability
scosche adapter

April 9, 2012

Great product, makes installs super easy and its free. Doesnt get any better then that.

14 of 21 found this helpful

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michael

Tampa, FL

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
GREAT WIRE HARNESS

October 17, 2016

NEED THIS, SO NO FACTORY WIRES NEEDED TO BE CUT.

0 of 0 found this helpful

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casey

WA

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
great harness

February 28, 2016

fits nice to factory socket. as always sonic carry great install parts and ships very fast

0 of 0 found this helpful

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Infamous Ob

Saint Clair Shores, MI

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Scosche GM03B

February 9, 2016

(2001 Buick Regal GS Joseph Abboud)

This kit fits like OEM in my vehicle.

0 of 0 found this helpful

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Items we think you might want
BOBAZT main
Scosche BOBAZT Stereo Connector Kit

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

Your Price $4.99

Browse 1 question and 14 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
I needed it and was free with stereo purchase.
Rick B on Oct 16, 2016
Required for instillation
Larry H on Jul 9, 2016
Needed it---thanks
michael s on Sep 18, 2016
recommended by you
Paul S on Oct 15, 2015

Product Summary

Manufacturer

Model Number

GM03B

UPC

033991794962

Weight

0.50lbs

Internal SKU

gm03b

Internal Product ID

4503

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 GM03B