GM3 GM RR THarness W/HU Con
Product highlights:
allows installation of a new receiver with an iDatalink port in select GM vehicles (also requires the Maestro ADS-MRR or ADS-MRR2 module)
retains the use of your steering wheel audio controls and warning chimes
retains OnStar (with Bluetooth), factory backup cam, vehicle customization options
displays engine performance data on touchscreen
works with iDatalink's "Head-unit Direct" harnesses, eliminating need for splicing
