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Scosche GM13SR

GM/ LAN Stereo Replacement Interface Module for Select 2004 - 2008 11-Bit GM Vehicles

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• GM/ LAN Stereo Replacement Interface Module
• Made For Select 2004 - 2008 GM Vehicles
• Stereo Replacement Module Retains All Factory Safety and Warning Chimes
• Issues "Healthy" Status
• Data-Driven
• R.A.P Output

Learn more about the gm13sr

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This item has been discontinued


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Description


Scosche brand icon

Authorized dealer

Product Features:

  • GM/ LAN Stereo replacement interface module
  • Made for select 2004 - 2008 GM vehicles
  • Stereo replacement module retains all factory safety and warning chimes
  • Includes both 24-pin connector and 16/14-pin connector set to cover all applications
  • Provides data-driven +12V accessory R.A.P output
  • For most vehicles, the GM13SR provides data-driven park brake, reverse light, AMP trigger for factory-amplified systems, vehicle speed sense (VSS) and auto illumination trigger outputs
  • Issues "Healthy" status report for OEM diagnostic scans
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

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 (-)
Note: On 2004-2007 Chevrolet Malibu/MAXX and 2005-2008 Pontiac G6 the driver information and menu adjustments are lost.

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Specifications & Details


Harness Features
Main Harness Function
Connect/Install an Aftermarket Car Stereo
Additional Harness Features
Chime Retention
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

GM13SR

Weight:

0.50lbs

Internal SKU:

gm13sr

Internal Product ID:

15123

Customer Ratings & Reviews


Scosche GM13SR thumbnail image

5 star
50%
4 star
25%
3 star
13%
2 star
0%
1 star
13%



Durability
3.7
Value
3.9
Features
4.2
Design
4.5
Usability
4

Customer Reviews

Sort by:

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Speaker sounds cheap

Comes with two harnesses with RCA connectors. The speaker rattles sometimes.

By JosQuelqu1 on May 11, 2014

21 found this helpful


Kit needed to install car stereo

Needed to install JVC KD-HDR60 into Chevy Cobalt sedan. The instructions for self-install were fairly clear and installed easy enough. Still no problems after 6 months!

By AT on June 3, 2011

20 found this helpful


Not worth it even for free

Not a good adapter if running a deck with iPod capabilities. Burned out in two weeks of light use. I'll keep my deck hard wired.

By Liam on April 4, 2014

20 found this helpful


Works Great

It matched right up with my Cobalt's harness and the color coding match my aftermarket head units, so everything was good. The speaker for turn signal and open door is rather cheap and because my car has one built in, i was able to just cut the speaker out and everything was good.

By Matthew on June 17, 2009

17 found this helpful


gets the job done

this product covers a wide range of vehicles and it is a quality product but the internal speaker blows fast and then sound like a crying baby when it makes its sounds does get anoying but this product worked and is still in use would bye again

By Russell on March 24, 2014

16 found this helpful


Only for Cobalts/G5's

This is the only easy to use and working GM converter to retain door chimes. I love it works flawlessly and allows volume control of door chimes.

By Dan on November 17, 2009

16 found this helpful


By Joshua on April 18, 2025 Checkmark Icon Verified purchase


By Shawn on April 3, 2024 Checkmark Icon Verified purchase



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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.