IDatalink HRN-HRR-GM2 RR and RR2 Compatible Radio Replacement Harness for Select 2010- up GM vehicles The iDatalink HRN-HRR-GM2 RR and RR2 compatible radio replacement harness is designed for use with select GM vehicles manufactured from 2010 onwards. The harness features a universal connector on the radio side, allowing for convenient plug-and-play installation when used with compatible Maestro Head unit adapters. Alternatively, the connector can be removed for traditional connections. Product Highlights: Allows installation of a new receiver in select GM vehicles (also requires the Maestro ADS-MRR or ADS-MRR2 module) Retains the use of your steering wheel audio controls, OnStar, factory amp, and warning chimes with any car stereo Also retains Bluetooth, a USB port, a backup camera, and Retained Accessory Power with an iDatalink-ready radio