GM2 Plug and Play T-Harness for GM2 and GM5 Vehicles, With Speaker. Allows installation of a new car stereo in select Fiat vehicles (also requires the Maestro ADS-MRR module).

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GM2 Plug and Play T-Harness for GM2 and GM5 Vehicles, With Speaker. Allows installation of a new car stereo in select Fiat vehicles (also requires the Maestro ADS-MRR module).

  • 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

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