Backup lamps circuit for Buick LaCrosse II facelift (2013-2016)

2.4L 3.6L FLEX FUEL 3.6L FLEX FUEL 2.4L AUTOMATIC TRANSMISSION ASSEMBLY BATT RVC FUSE BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR LEFT BACKUP LAMP LEFT TAIL TAIL LAMP ASSEMBLY LEFT TAILLAMP ASSEMBLY PARK/NEUTRAL SIG REARVIEW CAMERA (W/ MONO REARVIEW VISION) RED WIRE RED/YEL WIRE RIGHT BACKUP LAMP RIGHT TAIL TAIL LAMP ASSEMBLY SIG A SIG B SIG C SIG P SUPPLY VOLT TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/YEL WIRE WAKE UP SIG WHT GRN/ WIRE WHT WIRE WHT/GRY WIRE YEL WIRE