Backup lamps circuit for Cadillac CT6 I (2016-2019)

2.0L TURBO 3.0L TURBO, 3.6L AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LAMP CONTROL BATT POS VOLT BCM 6 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GROUND GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 1 IMS MODE SW LOW REF HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSIDE REAR VIEW MIRROR LEFT BACKUP LAMP LOGIC PRNDL A SIG PRNDL B SIG PRNDL C SIG PRNDL P SIG PRNDL S SIG REAR BODY FUSE BLOCK REAR VIEW CAMERA REAR WINDOW SUNSHADE MODULE RED/WHT WIRE RIGHT BACKUP LAMP SYSTEM TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIGNAL 1 TRANSMISSIONS TRANSMISSIONS SYSTEM VIO/WHT WIRE W/ ACTIVE SAFETY W/O ACTIVE SAFETY WHT WIRE WHT/BLK WIRE WHT/GRY WIRE YEL/BLU WIRE YEL/GRN WIRE