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Scosche GMSR29

2006-UP GM LAN Stereo Replacement Interface

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List price $99.95

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Scosche GMSR29

2006-UP GM LAN Stereo Replacement Interface


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Scosche Audio Store

This GMSR29 allows you to replace your factory OEM stereo while retaining factory steering wheel controls, if the vehicle is equipped. This interface will maintain the data-controlled +12V accessory output as well as provide navigation outputs for reverse, vehicle speed pulse and park brake.

General Features:

  • 2006-UP GM LAN Stereo Replacement Interface
  • Data driven +12V Accessory (R.A.P) Output
  • Retains All Safety & Warning Chimes
  • Compatible with Standard Bose systems
  • Does not retain OnStar or Steering wheel functions
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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
Retained Accessory Power (RAP) 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 Cobalt
Chevy Equinox
Chevy Express Van
Chevy Malibu
Chevy Monte Carlo
Chevy Silverado
Chevy Suburban
Chevy Tahoe

Premium Harness Features

On-Star Compatible
This means that the harness is compatible with vehicles that have On-Star built-in.
GM-LAN Compatible
This means that the item is compatible with GM-LAN 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

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1 Star

Average Attribution Rating


North Tonawanda, NY

Easy installation

August 26, 2016

This harness made the installation of my new head unit seamless. All factory sounds and chimes work, however it took a little while to get used to the new blinker "chime."

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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: Scosche GMSR29