Axxess AXDSPH-GM33 DSP T-Harness for Select GM Vehicles 2021-2024 IOR

Axxess AXDSPH-GM33 is a vehicle-specific DSP T-harness for Select GM vehicles 2021-2024 with specified IOR/non-amplified systems. It connects compatible factory wiring to the Axxess AXDSP-X digital signal processor interface so installers can integrate DSP tuning without building a custom vehicle harness from scratch.

Key Features

• Vehicle-specific DSP T-harness for Select GM vehicles 2021-2024 with specified IOR/non-amplified systems
• Plug-and-play harness designed for use with the Axxess AXDSP-X interface
• Supports cleaner DSP integration with compatible factory radio or amplifier wiring
• Useful for high-volume installers who want the vehicle harness separate from the DSP interface
• Helps reduce hardwiring when the vehicle application and factory audio system match the manufacturer fitment

System / Wiring Notes

• Plug-and-play T-harness for use with the Axxess AXDSP-X digital signal processor interface
• AXDSP-X interface is sold separately
• GM compatibility is RPO-code specific; verify IOR and non-amplified system requirements before purchase
• Retained functions and integration behavior depend on the AXDSP-X interface, vehicle trim, and factory audio equipment

Vehicle Compatibility

Installation Notes

• Confirm exact vehicle year, make, model, trim, factory radio, and factory amplifier configuration before installation
• AXDSP-X interface is required and sold separately
• Additional installation parts may be required depending on the aftermarket audio system design
• Check the current Axxess instructions and fit guide before installation
• Professional installation is recommended for best results

What’s in the Box

• Axxess AXDSPH-GM33 DSP T-harness

Technical Specifications

• Brand: Axxess
• Model: AXDSPH-GM33
• Product Type: DSP T-harness
• Application: Select GM vehicles 2021-2024 with specified IOR/non-amplified systems
• Compatibility Type: Vehicle-specific
• Required Interface: Axxess AXDSP-X, sold separately

Identifiers & Packaging

• MPN: AXDSPH-GM33
• UPC: 86429434107
• 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