Crux General Motors Radio Replacement Module (SOCGM-18)

Install an Aftermarket Radio in select General Motors LAN 29-Bit Vehicles and Retain Warning Chimes, RAP and Other Factory Features (No OnStar)

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Arrives by Thursday, Aug. 3 to zip 20147

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The CRUX SOCGM-18 retains General Motors factory-featured safety and warning chimes — for installation of after-market radios. It provides 12 Volt Accessory output (4 Amp), including RAP (Retained Accessory Power), Illumination Output (2A. max), telephone negative mute trigger (output to new stereo), low voltage (battery run-down protection), and adjustable chime volume.

General Features:

  • Aftermarket Car Stereo Installation Interface
  • For select General Motors LAN 29-Bit Vehicles (with chime, without OnStar)
  • Interface Retains the following factory features:
    • Bose amplified and Non-Bose audio systems (excluding Y91 or Z75 Bose)
    • Y91 or Z75 Code found in the service parts sticker located in the glove box
    • Safety and warning Chimes
    • Folding Mirrors (including reverse)
    • Park Assist (Front / Rear)
    • Heated Seats
    • Turn Signal (Clicker), without additional relay
    • Power Running Boards (if factory equipped)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Compatible Vehicles

  • Buick
    • 2008 - 2015 Enclave
    • 2006 - 2011 Lucerne
  • Cadillac
    • 2006 - 2011 DTS
    • 2007 - 2014 Escalade
    • 2007 - 2009 SRX
  • Chevrolet
    • 2007 - 2013 Avalanche*
    • 2007 - 2008 Equinox
    • 2008 - 2013 Express**
    • 2006 - 2013 Impala
    • 2006 - 2007 Monte Carlo
    • 2007 - 2013 Silverado 1500-3500*
    • 2007 - 2014 Suburban*
    • 2007 - 2014 Tahoe*
    • 2009 - 2015 Traverse
  • GMC
    • 2007 - 2015 Acadia
    • 2008 - 2013 Savana
    • 2007 - 2013 Sierra 1500-3500*
    • 2007 - 13 Yukon*
  • Hummer
    • 2008 - 2009 H2
  • Pontiac
    • 2007 - 2009 Torrent
  • Saturn
    • 2007 - 2010 Outlook
    • 2008 - 2009 Vue
  • Suzuki
    • 2007 - 2008 XL7
Vehicle Compability

*Not compatible with 2012-up SUVs/trucks that are equipped with factory-installed Navigation radios.

**Not compatble with diesel-powered Express and Savana vans.

Does not support OnStar

Does not support steering wheel retention

Check out the SOCGM-18 User Manual

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.
Replacement Harness for 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.
Buick Enclave
Buick Lucerne
Cadillac DTS
Cadillac Escalade
Cadillac SRX
Chevy Avalanche
Chevy Equinox
Chevy Express Van
Chevy Impala
Chevy Monte Carlo
Chevy Silverado
Chevy Suburban
Chevy Tahoe
Chevy Traverse
GMC Acadia
GMC Savana
GMC Sierra
GMC Yukon
Hummer H2
Pontiac Torrent
Saturn Outlook
Saturn Vue
Suzuki XL-7

Warranty and Return Policy

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

Summary of Customer Ratings & Reviews

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Average Attribution Rating

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Why did you choose this?
Sonic Electronix Store
Needed it for my truck.
Tyler T on Jul 7, 2017

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: Crux General Motors Radio Replacement Module (SOCGM-18)

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Crux General Motors Radio Replacement Module (SOCGM-18)

Install an Aftermarket Radio in select General Motors LAN 29-Bit Vehicles and Retain Warning Chimes, RAP and Other Factory Features (No OnStar)


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