Cadillac DTS I (2005-2011) Backup lamps circuit

2500 2501 COMPUTER DATA LINES SYSTEM 29 46 37 TRS SIG A TRS SIG B HI SPD SER DATA - 8 9 SERIAL DATA + SERIAL DATA - AUTOMATIC TRANSMISSION BATT POS VOLT BCM (CHMSL) FUSE 39 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM HI SPD SER DATA + HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) LEFT BACKUP LAMP LEFT TAIL LAMP ASSEMBLY LOGIC LT GRN WIRE REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RIGHT BACKUP LAMP RIGHT TAIL LAMP ASSEMBLY SUPPLY VOLT TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT STRUT TOWER) TRANSMISSION INTERNAL MODE SWITCH (IMS) VIO WIRE YEL WIRE YEL/VIO WIRE