Buick Regal V (2009-2013) Backup lamps circuit

2.0L 2.4L 24 25 SERIAL DATA(-) SERIAL DATA(+) 39 40 SERIAL DATA (+) SERIAL DATA (-) ACC VOLT AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 69 GEAR SHIFT POSITION SENSOR GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT BACKUP LAMP LEFT INNER TAIL- LAMP LEFT OUTER TAIL LAMP LEFT STOP/TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LOGIC LOGIC INSIDE REARVIEW MIRROR NCA WIRE ORG/BLK WIRE P/N SIG PARK/NEUTRAL SIG RED WIRE RED/GRY WIRE RIGHT BACKUP LAMP RIGHT INNER TAIL- LAMP RIGHT OUTER TAIL LAMP RIGHT STOP/TURN SIGNAL LAMP RIGHT TAIL LAMP ASSEMBLY SIG A SIG B SIG C SIG P SUPPLY VOLT TAN WIRE TAN/BLK WIRE TRANS- MISSION INTERNAL MODE SWITCH TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE