Axxess AXGM-08 OnStar Class II Interface for GM Vehicles 2005-2006

Axxess AXGM-08 is a vehicle-specific radio replacement data interface for select 2005-2006 GM amplified Class II vehicles. It helps integrate an aftermarket radio while retaining supported GM functions such as accessory power, retained accessory power, warning chimes, OnStar/OE Bluetooth, and navigation-output wiring where supported.

Key Features

• Provides accessory power (12-volt 10-amp)
• Retains R.A.P. retained accessory power
• Used in amplified systems
• Retains warning chimes, balance, and fade
• Provides NAV outputs for parking brake, reverse, mute, and speed sense
• Retains OnStar/OE Bluetooth where equipped
• Adjustable gain control for chimes and OnStar
• High-level speaker input
• USB updatable

System / Wiring Notes

• Designed for the listed vehicle applications only; verify RPO code, factory amplifier, OnStar equipment, and radio configuration before purchase
• Retained features depend on vehicle trim, factory audio system, factory radio equipment, and aftermarket radio support
• Steering wheel control retention requires the proper Axxess SWC interface when listed as sold separately
• Firmware update method and required cables should be verified in the current Axxess instructions

Vehicle Compatibility

Installation Notes

• Confirm exact vehicle fitment, trim level, factory radio, RPO code where applicable, and factory audio system before installation
• Additional dash kit, antenna adapter, steering wheel control interface, camera adapter, or vehicle-specific harness may be required for a complete installation
• Use the current Axxess fit guide and installation instructions before wiring or programming the interface
• Professional installation is recommended for proper integration and retained-feature operation

What’s in the Box

• Axxess AXGM-08 data interface
• Vehicle-specific harnessing
• Installation components as supplied by Axxess
• Step-by-step instructions as supplied by Axxess

Technical Specifications

• Brand: Axxess
• Model: AXGM-08
• Product Type: Radio replacement data interface
• Application: select 2005-2006 GM amplified Class II vehicles
• Compatibility Type: Vehicle-specific
• Audio System Support: Amplified systems
• NAV Outputs: parking brake, reverse, mute, and speed sense
• Update Method: USB

Identifiers & Packaging

• MPN: AXGM-08
• UPC: 86429384914
• Sold As: Each
• Included Components: Interface, vehicle-specific harnessing, and installation components

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in vehicle audio integration, radio replacement parts, and installation accessories
• 22+ years of professional automotive electronics experience
• Expert support for compatibility verification and proper setup