Idatalink Maestro GM3 Plug and Play T-Harness for 2014-2020 GM Vehicles

• HRN-HRR-GM3 interface harness allows you to connect an iDatalink-ready car stereo in select 2014-20 GM-made vehicles, working in conjunction with iDatalink's Maestro ADS-MRR or ADS-MRR2 module
• When connected you will maintain the use of steering wheel audio controls, your OnStar system, Bluetooth capabilities, backup camera, and warning chimes
•  Ability to customize gauges on your receiver’s screen that can monitor engine performance, tire pressure, and other functions
• This harness also features an in-line head-unit connector harness, which will plug into their new "Head-unit direct" harnesses for select radio brands, which eliminate the need to splice any wires

• allows installation of a new receiver with an iDatalink port in select GM vehicles (also requires the Maestro ADS-MRR or ADS-MRR2 module)
• 12V/15A Accessory Power Output

• GM installation harness
• External chime module
• OBDII connector harness
• Jumper harness (pre-connected to OBDII harness)
• Camera harness

Requires an ADS-MRR or ADS-MRR2 to be installed.