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Axxess GMRC-01-open box

Non-Amplified, Non-OnStar Interface Harness for Select 2000-2005 GM Vehicles

We apologize

This item has been discontinued

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Axxess Audio Store

General Features:

  • Designed for use in select 2000-2005 GM Vehicles without OnStar and premium sound system
  • Provides a 12V Accessory output
  • Retains warning chimes using on-board speaker
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
  • Check the Product Instructions to see basic instructions and compatibility list for the Metra GMRC-01

Compatibility List:

  • Chevrolet:
    • 2003 - 2005 Avalanche
    • 2003 - 2005 Cavalier
    • 2004 - 2005 Colorado
    • 2003 - 2005 Express
    • 2000 - 2005 Impala
    • 2002 - 2003 Malibu
    • 2000 - 2005 Monte Carlo
    • 2003 - 2005 Tahoe
    • 2005 Uplander
  • GMC:
    • 2004 - 2005 Canyon
    • 2002 - 2005 Envoy
    • 2003 - 2005 Savanna
    • 2003 - 2004 Sierra
    • 2003 - 2004 Yukon/XL
  • Pontiac:
    • 2001 - 2005 Aztec
    • 2001 - 2005 Grand AM
    • 2004 - 2005 Grand Prix
    • 2000 - 2005 Montana (except SV6)
    • 2000 - 2005 Sunfire

Harness Features

Vehicle Sound System
This refers to what kind of sound system the vehicle has. Premium audio systems are generally name brand systems (such as JBL, Bose, Rockford Fosgate, etc) that have been installed inside a vehicle when it leaves the factory. Often they more advanced systems, complex wiring, factory amplifiers, and other features that can make installing aftermarket component difficult.
Standard Sound
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
Additional Harness Features
The various features that the wiring harness provides to your car stereo and/or audio system.
Chime Retention
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.
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.
Chevy Avalanche
Chevy Cavalier
Chevy Colorado
Chevy Express Van
Chevy Impala
Chevy Malibu
Chevy Monte Carlo
Chevy Tahoe
Chevy Uplander
GMC Canyon
GMC Envoy
GMC Savana
GMC Sierra
GMC Yukon
Pontiac Aztek
Pontiac Grand Am
Pontiac Grand Prix
Pontiac Montana
Pontiac Sunfire

Premium Harness Features

Factory System Amplification
This refers to the factory sound system and whether the item is compatible with amplified or non-amplified systems.
On-Star Compatible
This means that the harness is compatible with vehicles that have On-Star built-in.
Chime Retention
This means that the harness is able to retain the vehicles chimes.

Warranty and Return Policy

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

Summary of Customer Ratings & Reviews

Rating Distribution

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Average Attribution Rating

Browse 3 questions and 12 answers
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Why did you choose this?
Sonic Electronix Store
Needed for installation
Louis C on Jun 15, 2016
car has security and needed a harness as well
wanda s on Mar 27, 2015
The Rep recommended this as the best product for my truck so being the expert I'm going to trust him.
Karla T on Sep 3, 2015
this was the only thing offered
Michael Z on Mar 17, 2015
I have bose system in my truck do I need this axxess gmrc-01?
Edward C on Dec 19, 2015
Best Answer: Hello Edward,

The Axxess GMRC-01 is for Non-Amplified vehicles - therefore it will Not work properly in a truck with Bose. Give our sales team a call to help you find the appropriate part. Please have the Year/Make/Model of your vehicle on hand.
Reply · Report · Rick MStaff on Dec 21, 2015
· Add Answer · I Have This Question Too (0)
were can I see how to hook up this with a pioneer avh-270bt head unit?also the swi-cp5 steering wheel interface
Michael Z on Mar 23, 2015
Best Answer: Hello Michael,

You will not find Stereo Specific instructions. The wiring is as simple as Color For Color. Please seek a professional install for further assistance.
Reply (1) · Report · Customer SStaff on Mar 24, 2015
· Add Answer · I Have This Question Too (0)

Product Summary


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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: Axxess GMRC-01-open box