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Ensure clean installation of your after-market car stereo with our GMC wiring harnesses & cables. Free shipping available, buy today!
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Discontinued GMC Wiring Harnesses

Factory Stereo Replacement Interface with Warning Chime for Select 1999-2005 General Motors Vehicles with or without Standard Bose Systems, Non OnStar

• Select 1999-2005 General Motors Vehicle Radio Replacement Interface
• Comes With Integrated Chime

DISCONTINUED

Harness Used to Add or Replace Factory GM / Bose Amplifiers with Aftermarket Amplifiers

• Used To Add/Replace Factory GM/Bose Amps w/Aftermarket Amp
• 2003-Up Vehicles
• Not for Escalade, H2 Envoy SLE, Yukon SLT or Denali

DISCONTINUED

GM Radio Wiring Harness for 2006-2008 Select GM Vehicles with XM Radio

• Radio Adapter Wiring Harness
• For 2006-2008 Select GM Vehicles With Satellite Radio
• Harness To Be Used With GM12LAN-AUX/S or GMLAN-POD/S
• EIA Standard Color-Coded Wiring
• Durable Plastic and Metal Materials

DISCONTINUED

Direct Connection Harness to 2003-Up Kenwood 16-Pin Connectors for Select 1988-Up GM Vehicles

• Direct Connection Harness
• Made For 2003-Up Kenwood 16-Pin Connectors
• For Select 1988-Up GM Vehicles
• Plugs Directly Into Vehicles Harness
• EIA Standard Color-Coded Wiring
• Durable Plastic and Metal Materials

DISCONTINUED

Direct Connection Harness to Clarion 16-Pin Connectors for Select 1988-Up GM Vehicles

• Direct Connection Harness
• Made For Clarion 16-Pin Connectors
• For Select 1988-Up GM Vehicles
• Plugs Directly Into Vehicles Harness
• EIA Standard Color-Coded Wiring
• Durable Plastic and Metal Materials

DISCONTINUED

Direct Connection Harness to Sony 16-Pin Connectors for Select 1988-Up GM Vehicles

• Direct Connection Harness
• Made For Sony 16-Pin Connectors
• For Select 1988-Up GM Vehicles
• Plugs Directly Into Vehicles Harness
• EIA Standard Color-Coded Wiring
• Durable Plastic and Metal Materials

DISCONTINUED

BT1200 T-Harness for Select 2003-Up GM Vehicles

• GM Bluetooth T-Harness
• For Select 2003-Up GM Vehicles
• Integrates Hands-Free Bluetooth Kits To Factory Systems
• EIA Standard Color-Coded Wiring
• Durable Plastic and Metal Materials
• For Use With BT1200

DISCONTINUED

X3 Radio Installation Wiring Harness for 1995-2002 Select GM Vehicles

• X3 Radio Installation Wiring Harness
• For Use With The X3 Input Selector
• For 1995-2002 Select GM Vehicles
• Radio Must Have Slave Unit
• Connects To 9-Pin Connector At Headunit

DISCONTINUED

Used When Replacing a Factory Amplifier or Adding an Aftermarket Amplifier in Select GM Vehicles

• Used to add or replace factory GM amplifiers with an aftermarket amplifier
• Compatible with select 1998-2002 GM vehicles with Bose sound systems
• Used with PAC OEM-1 and AMP-RCA

DISCONTINUED

Chime Module for GM Class 2 Vehicles 2003-2004

• Chime Module For OS-2 or OS2Bose
• Preserves Warning Chimes When Replacing Factory Radio
• For GM Vehicles 2000-2004

DISCONTINUED

Radio Replacement OS-4 Harness for 2012 GM Vehicles Equipped With Navigation

• Radio Replacement OS-4 Harness
• For Use With The OS-4 In 2012+ 29-Bit GM LAN Vehicles Equipped With Factory Navigation
• Fits Select 2007-12 Chevrolet/GMC Vehicles

DISCONTINUED

Bluetooth Integration Interface for Select GM Class II Vehicles

• Bluetooth Integration Interface for Select GM Vehicles
• Plug and Play Installation
• Automatically Plays Through Both Front Speakers
• Not Compatible With Navigation Radios

DISCONTINUED

GM OnStar, Bose Interface

• Maintains Operation Of OnStar And Factory Bose Amplifiers
• For Select GM Class 2 Factory Stereos
• For Use With Vehicles With Bose Amplifiers

DISCONTINUED

BT1200 T-Harness for Select 1988-2005 GM Vehicles

• GM Bluetooth T-Harness
• For Select 1988-2005 GM Vehicles
• For Use With BT1200
• Integrates Hands-Free Bluetooth Kits With Factory Receivers

DISCONTINUED

GM Chime and Data-Bus Integration Interface

• GM Chime and Data-Bus Integration Interface
• Replicates Factory Warning Chime
• Enables Aftermarket Radio Installation Without Factory Radio Retention

DISCONTINUED

2003 OnStar Interface (OS2) for Select 2000-2008 GM Vehicles

• Plug and Play Interface That Allows Replacement Of GM Class 2 Factory Stereo
• While Keeping OnStar System
• OnStar Active LED And Ignition On LED For Visual Indication

DISCONTINUED

OnStar Interface (OS2C) for Select 2000-2008 GM Vehicles

• Plug and Play Interface That Allows Replacement Of GM Class 2 Factory Stereo
• While Keeping OnStar System
• OnStar Active LED and Ignition on LED for Visual Indication

DISCONTINUED

Radio Replacement Interface for Select GM Vehicles with OnStar, GM-LAN Data-Bus, and With/Without Bose

• Radio Replacement Interface for Select GM Vehicles with OnStar, Bose and GM-LAN Data-Bus
• Can Be Used If The Vehicle Does Not Have OnStar
• Retains The 5.1 Digital Audio System In Select GM Vehicles

DISCONTINUED