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.

At a Glance

• 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

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

• 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: 086429434107
• 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