New iDatalink ADS HRN-RR-GM5+ Interface Harness

New iDatalink ADS HRN-RR-GM5+ Interface Harness 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, safety warning chimes, and your factory amp Displays engine performance data on touchscreen with select Alpine, JVC, Kenwood and Pioneer receivers