iDatalink HRN-HRR-GM3 RR and RR2 Compatible Radio Replacement Harness for Select 2014-Up GM vehicles The iDatalink HRN-HRR-GM3 RR and RR2 radio replacement harness is designed for select 2014-up GM vehicles. It is compatible with both non-amplified and amplified systems, but it does not retain the factory amplifier, which must be bypassed. The harness features a universal connector on the radio side that can be used with Maestro Head unit adapters for a plug-and-play solution or conventional connections. Product Highlights: Specifically designed for select GM vehicles Requires the Maestro ADS-MRR or ADS-MRR2 module for proper functionality Retains the use of your steering wheel audio controls and warning chimes, maintaining convenience and safety features Keeps OnStar (with Bluetooth) functionality intact, ensuring seamless communication capabilities Preserves the factory backup camera, providing continued assistance while reversing Retains vehicle customization options, allowing you to personalize your settings as before Displays engine performance data on the touchscreen, providing real-time information Works seamlessly with iDatalink's "Head-unit Direct" harnesses, eliminating the need for complicated splicing during installation