User manual PAC RadioPRO 5 RP5-GM51 (English - 4 pages)
GM51 Slump w/ Hump
Amazon.com: Pac Audio MCI-GM51 Multi-camera interface for select 2014 - 2017 GM trucks and SUVs : Electronics
PAC RP5-GM51 Wiring Interface Connect a new car stereo and retain steering wheel controls, safety warning chimes, and OnStar in select 2014-up GM vehicles at Crutchfield
Multi-Camera Interface for Select GM Vehicles with 8" Screen - PAC