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GMC Upgrades

GMC Bluetooth
GMC iPod & iPhone 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

$4.99

IN STOCK

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

$4.99

IN STOCK

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

$59.99

IN STOCK

Audio In-Car Bluetooth Extension for GROM-USB, GROM-BT3 and GROM-MST3 (Wireless-BTD)

• Compatible With All Grom Audio OEM Interfaces Modules
• Plugs Directly To The Extension Port Of Grom Box
• Gives Wireless Handsfree Calling (Accept/Reject Call)
• Compatible With Large Number Of Phones
• Plug And Play

25% off Bluetooth Hands Free Adapter w/ Purchase!

$49.99

IN STOCK

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

$59.99

IN STOCK

5 Ft 3.5mm Auxiliary Input Audio Cable with 5 Volt USB Charging

• Compatible With All GROM Audio OEM Interfaces
• Plugs Directly To The Extension Port Of GROM Box
• GROM Mini Din To 3.5mm Audio Cable
• Adds 5V USB Charging For Many Mobile Phones/MP3 Players
• Plug and Play Design

50% off 3.5mm Auxiliary Cable + USB w/ Purchase!

$14.99

IN STOCK

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

$71.99

IN STOCK

USB Cable Adapter for iSimple GateWay OEM integration kit

• Compatible with iPod, iPhone, or iPad
• 8-pin Connector For Use With iSimple GateWay
• Compatible With Apple USB Cables
• Cable Length: 6 Ft.
• Color: Black

$29.95

IN STOCK

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

$14.99

IN STOCK

AVBM Adjustable Voltage Boost Module with Under-Hood Adjustment for Select 19962004 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

$99.95

AVAILABLE

Ships at Later Date

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

$9.99

IN STOCK

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

$39.95

IN STOCK

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.

$39.99

IN STOCK

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

$119.99

IN STOCK

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

$39.99

IN STOCK

OE Video Integration for Select 2007-11 GM LAN29 Systems

• Retains Factory Rear Seat Entertainment System
• Provides Video Signal to Factory Overhead Video Monitor

$5.99

IN STOCK

Only 3 Left!

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

$84.99

IN STOCK

12 Pin Harness for 2000-2005 GM Vehicles to Connect PXDP or PXDX Interface

• 12 Pin Harness For 2000-2005 GM Vehicles
• Connects PXDP Or PXDX Interface

$8.95

IN STOCK

Only 2 Left!

1988-Up GM Motors Power/Speaker Wiring Harness with Butt Connectors

• Power/Speaker Wiring Harness
• Compatible With 1988-Up GM Motors
• Includes Butt Connectors
• EIA Standard Color-Coded Wiring
• Durable Plastic And Metal Materials
• Plugs Directly Into Vehicles Harness

$4.99

IN STOCK

2014 6X9" Speaker Adapter For Select GM Trucks

• Speaker Adapter
• Made Specifically For 6x9" Speakers
• Designed For Select 2014 Chevrolet/GMC Trucks

$9.99

IN STOCK