Axxess GMRC-04

Non-Amplified, Non-OnStar Interface Harness w/ Built-In Speaker Dock-n-Lock for 2005-2004 Chevrolet Equinox/Pontiac Torrent

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General Features:

  • Designed for use in select 2000-2004 GM Vehicles without OnStar that use the "Door-n-Lock" Style harness
  • Provides 12V Accessory output
  • Retains warning chimes using on-board speaker
  • Compatible with 2000-2004 Buick LeSabre, 2001-2003 Oldsmobile Aurora and 2000-2004 Pontiac Bonneville
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
  • Check the Product Instructions to see basic instructions and compatibility list for the Metra Axxess GMRC-04

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
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 Equinox
Pontiac Torrent

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.
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

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating


Wichita, KS

Good buy with one downfall

June 27, 2011

I have been using the GMRC-04 for about 6 months now. I had purchased the GMRC-01 from C********* but it wasn't compatible with my car, so I returned it. C********* did not carry the GMRC-04, so I went with Sonic. I had to vouch for professional installation because my car also was too funkily designed for aftermarket stereos. Now that it is in, it works great. My only complaint is that the chimes are really loud, and it only chimes sporadically, sometimes it doesn't when it is supposed to.
Overall - It is a good buy, it keeps the Retained Accessory Power (RAP) which was the main feature I was interested in.

8 of 11 found this helpful

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Browse 1 question and 2 answers
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Why did you choose this?
Sonic Electronix Store
To install my aftermarket radio you guys have the best prices
JASON B on Dec 18, 2016
I want to keep the alert chimes when I replace my factory radio
Tim M on Sep 20, 2015

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-04

Item Added to Cart

Axxess GMRC-04

Non-Amplified, Non-OnStar Interface Harness w/ Built-In Speaker Dock-n-Lock for 2005-2004 Chevrolet Equinox/Pontiac Torrent


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