Maestro HRN-RR-GM2 Plug and Play T-Harness for GM2 and GM5 Vehicles with Speaker
- Connect a new car stereo and retain steering wheel controls, OnStar, factory amp, and warning chimes in select 2010-up GM-made vehicles.
- Allows installation of a new receiver in select GM vehicles (also requires the Maestro ADS-MRR module).
- Retains the use of your steering wheel audio controls, OnStar, factory amp, and warning chimes with any car stereo.
- Also retains Bluetooth, USB media player, backup camera, and Retained Accessory Power with an iDatalink-ready radio.