Buick Regal VI (2017-2020) Rear view camera circuit

2-YE COAX BLK WIRE BLK/WHT WIRE CAM LOW REF CAM SIG 2- COAX YE DISPLAY SIG + EXCEPT UP LEVEL GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE MID/HIGH LEVEL LOW LEVEL MID LEVEL NCA WIRE OG COAX RADIO REAR VIEW CAMERA REAR VISION CAMERA/ VENTILATION FUSE RUN/CRANK IGN 1 VOLT SIG GND UNDERHOOD FUSE BLOCK VIO/WHT WIRE WAGON WHT/BLU WIRE YE DISPLAY SIG