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GMC Upgrades

GMC Bluetooth
GMC iPod & iPhone Car Adapters
GMC Android Car Adapters
GMC AUX Input Adapters
GMC Navigation & Video Bypass
GMC HD Radio Kits
GMC High Output Alternators
GMC Wiring Harnesses
GMC Backup Cameras
GMC Car Stereos
GMC Speaker Adapters
GMC Subwoofers & Sub Boxes

Top 20 in GMC Upgrades

Wire Harness to Connect an Aftermarket Stereo Receiver to Select 1988-2005 GM Vehicles

• In-Dash Car Radio Harness That Plugs Into Factory OEM Radio Plug
• For Select 1988-05 GM Vehicles
• No Cutting Wires
• Converts Colors To Aftermarket Standard



Wiring Harness for Select 1998-2009 GM Vehicles

• Car Harness For Select 1998-Up GMC Vehicles
• Plugs Into Car Harness
• High Quality Factory Plug
• GXL Wire Provides Flexibility And Handles More Power
• OEM Quality



Select 1999-2005 General Motors Vehicle Radio Replacement Interface with Integrated Chime

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



Reverse Wiring Harness for Select 2000-Up GM Vehicles

• Reverse Wiring Harness for Select GM Vehicles
• Plugs Into OEM Radio
• One 24-Pin Plug And One 12-Pin Plug
• Harness Designed To Plug In Factory Radio
• Can Be Used To Repair Harness Where Plugs Have Been Damaged



Non-Amplified, Non-OnStar Interface Harness for Select 2000-2005 GM Vehicles

• Designed For Use In Select 2000-2008 GM Vehicles w/o OnStar
• Provides A 12V Accessory Output
• Retains Warning Chimes Using On-Board Speaker



6" to 6-3/4" Speaker Adapter For GM Multi 05-Up

• Speaker Adapter
• Made Specifically For 6"-6 3/4" Speakers
• Designed for Select GM Multi Vehicles
• Color: Black



AVBM Adjustable Voltage Boost Module with Under-Hood Adjustment for Select 1996–2004 GM Vehicles

• Adjustable Voltage Boost Module
• For Select 1996-2004 GM Alternators with 4 Pin Oval Plug
• Simple Plun-Play Installation
• Adjust Your Alternator's Charging Voltage from 13.5 to 19.5V



Ships at Later Date

Radio Replacement Interface for Select 2000-20011 GM Class II Data Bus Vehicles

• Class 2 Data Bus Interface For Select GM Vehicles
• Provides A 12V DC 3 Amp Accessory Output
• Built-In Speaker Retains Warning Chimes



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

• 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



GM LAN Data Bus Interface with Chime Retention for Select GM Vehicles

• GM LAN Data Bus Interface with Chime Retention
• For Use in Non-Amplified Vehicles
• Does Not Retain Onstar
• Retains All The Factory Warning Chimes
• Retains R.A.P.



OnStar Interface for Non-Amplified GM Systems

• Interface Designed To Allow For Replacement Of OEM Radio With Aftermarket Unit
• In Non-Amplified GM Vehicles
• Retains OnStar and Chimes
• RAP Features



GM/LAN Amplified/Non-Amplified OnStar Integrated Harness for 2006-Up Select GM Vehicles

• Radio Replacement Interface
• Designed For 2007-Up GM Vehicles With OnStar, RAP & Factory Amplifiers
• Retains OnStar Functionality, Warning Chimes, and Parking Assist Chimes



GM Auxiliary Audio Input

• Auxiliary Audio Input Interface For 1995-2002 GM Vehicles
• OnStar® Ready
• Plug And Play Installation
• High Quality Noise-Free Audio Isolation



Maestro ADS-MRR Rear Seat Video Harness for Select 2006-14 GM Vehicles

• Rear Seat Video Harness
• Retain Factory Rear Seat Entertainment w/ Aftermarket Stereo
• Must be Used with the iDatalink Maestro ADS-MRR
• Compatible with Select GM Vehicles



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6" to 6-3/4" Speaker Adapter For GM Trucks 2014-Up

• Speaker Adapter
• Made Specifically For 6"-6 3/4" Speakers
• Designed for Select 2014 and Up Chevrolet and GMC Trucks
• Color: Black



Amplifier Integration Harness for Select GM Vehicles

• Interface Allows Replacement Or Addition Of Amp
For Select GM Vehicles
• Interface Is Transformer Isolated
• Linear From 20-20,000 Hz
• Input Connects To Factory Stereo/Vehicle Harness



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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



Only 2 Left!

USB Adapter to Retain the OEM USB Port in Select GM and Chrysler Vehicles

• USB Adapter To Retain OEM USB Port
• For Select 2010-14 GM and Chrysler Vehicles



Radio Replacement and Steering Wheel Interface for Select 2004 and Up Vehicles

• Radio Replacement Interface with Steering wheel Control and Factory Amp Integration
• For Use w/ Select 2004-Up Vehicle Harnesses
• Assign Each Control a Secondary Function
• Program it Yourself with a Windows Based Computer

Seamlessly Integrating Your New Radio into Your Vehicle



Dual 12" Subwoofer Enclosure for 99-07 Chevy Silverado and GMC Sierra Extended Cab Trucks

• 12" Dual Medium Down-Firing Subwoofer Enclosure
• For Select GM Trucks
• Designed Specifically For Chevy Silverado or GM Sierra Extended Cabs 1999-2007
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges



Only 3 Left!