iDatalink Maestro HRN-HRR-GM3 T-Harness with Speaker for 2014-Up GM Vehicles

The iDatalink Maestro HRN-HRR-GM3 is a radio replacement T-harness with speaker designed for select 2014-up GM vehicles. It helps simplify aftermarket radio or integration work by matching the correct vehicle-specific hardware, wiring, or signal adapter to the compatible Maestro system and aftermarket equipment.

Key Features

• Vehicle-specific T-harness for select 2014-up GM vehicles
• Includes speaker for supported warning/chime retention applications
• Works with Maestro ADS-MRR and ADS-MRR2 interface modules, sold separately
• Helps retain supported factory features such as steering wheel controls, warning chimes, OnStar, and camera functions where compatible
• Requires vehicle-specific programming through iDatalink Weblink

Compatibility & Installation Notes

Compatibility depends on the exact vehicle year, make, model, trim, factory radio, factory audio system, and aftermarket radio model. iDatalink Maestro products often require vehicle-specific firmware programming through iDatalink Weblink before installation.

Need help confirming fitment or required installation parts? Use our Fit Guide or contact us through the chat button before ordering.

Technical Highlights

What’s Included

• HRN-HRR-GM3 radio replacement T-harness with speaker and manufacturer-supplied installation materials

Authorized Retailer & Warranty

MCOR Automotive is an authorized iDatalink Maestro retailer. Products purchased from MCOR include applicable manufacturer warranty coverage when installed, programmed, and used according to manufacturer guidelines.