Axxess
Axxess ANC-GMH3 ANC Bypass Harness for Select Non-Amplified GM ANC Audio Systems
Axxess ANC-GMH3 ANC Bypass Harness for Select Non-Amplified GM ANC Audio Systems
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The Axxess ANC-GMH3 is an active noise canceling bypass harness for select non-amplified GM ANC audio systems including Cadillac CT6 applications. It is used during aftermarket speaker, amplifier, or subwoofer upgrades where the factory ANC system can create unwanted noise or audio interference.
At a Glance
- Active noise canceling bypass harness for non-amplified GM ANC systems
- Supports select GM RPO audio configurations
- Helps prevent ANC-related noise after speaker or subwoofer upgrades
- Quality connectors for reliable integration
- 1-year limited warranty
System / Fitment Notes
- Designed for select non-amplified GM ANC systems
- Confirm RPO and vehicle compatibility before installation
- Metra lists Cadillac CT6 applications for this harness
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.
| Make | Model | Years | Factory Equipment / Qualifier |
|---|---|---|---|
| Cadillac | CT6 | 2016-2020 | RPO UQH; Bose; Module location: left rear corner panel |
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 year, make, model, trim level, factory radio, and factory audio system before installation
- Test-fit components and review manufacturer instructions before final assembly
- Additional parts may be required depending on vehicle equipment, radio selection, speaker selection, or wiring configuration
- Professional installation recommended
What’s in the Box
- Axxess ANC-GMH3 bypass harness
- Instruction sheet
Technical Specifications
- Brand: Axxess
- Model: ANC-GMH3
- Product Type: Active Noise Canceling Bypass Harness
- Application: select non-amplified GM ANC audio systems including Cadillac CT6 applications
- Compatibility Type: Vehicle-specific ANC bypass
- Factory System: Non-amplified GM ANC systems
Identifiers & Packaging
- MPN: ANC-GMH3
- UPC: 086429431168
- Sold As: Each
- Included Components: Axxess ANC-GMH3 bypass harness, Instruction sheet
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
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