Axxess AXDSPH-GL1 DSP T-Harness for Select GM 2006-2020

Axxess AXDSPH-GL1 is a vehicle-specific DSP T-harness for select GM models 2006-2020. It is designed for installers using an Axxess AXDSP-X processor and provides the plug-and-play vehicle harnessing needed for cleaner DSP integration without buying a complete pre-packaged DSP kit.

At a Glance

• DSP T-harness for select GM models 2006-2020
• Plug-and-play harness for compatible AXDSP-X installations
• AXDSP-X processor sold separately
• Vehicle-specific harnessing supports cleaner amplifier and DSP integration
• A la carte harness option for installers who stock AXDSP-X processors separately
• Helps reduce vehicle wire modification when used in the correct application

System / Wiring Notes

• Designed for amplified and non-amplified GM LAN systems; AXDSP-X installs at the factory radio
• The AXDSP-X interface is required and is not included with this T-harness
• Factory audio system, amplifier package, screen configuration, and factory radio equipment can affect compatibility
• DSP setup and tuning must be completed according to current Axxess instructions and app/software requirements

Exact Vehicle Compatibility

Find your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering.

Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.

Installation Notes

• Verify that the vehicle is listed for this exact harness and not just a similar Axxess DSP harness
• Do not assume compatibility across similar model years, factory radio types, premium audio systems, or amplifier packages
• Confirm exact vehicle fitment, factory audio system, trim level, radio connector, and amplifier system before purchase
• Additional installation parts may be required depending on the vehicle, factory equipment, and system design
• Programming, app setup, firmware updates, or DSP tuning may be required for proper operation
• Professional installation and tuning are recommended for best results
• Check the current Axxess vehicle fit guide and manufacturer instructions before installation

What’s in the Box

• Axxess AXDSPH-GL1 DSP T-harness

Technical Specifications

• Brand: Axxess
• Model: AXDSPH-GL1
• Product Type: DSP T-harness
• Application: select GM models 2006-2020
• Compatibility Type: Vehicle-specific
• Required Interface: AXDSP-X sold separately
• Installation Role: Vehicle harnessing for Axxess DSP integration

Identifiers & Packaging

• MPN: AXDSPH-GL1
• UPC: 086429426324
• Sold As: Each
• Included Components: DSP T-harness

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