Back-up lamps circuit for Oldsmobile Bravada III (2001-2004)

13 12 20 TR SW P TR SW B TR SW C B/U LMP VOLT BACKUP FUSE 27 BACKUP LAMP BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) DK GRN WIRE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START LEFT TAILLAMP ASSEMBLY LT GRN WIRE MIRRORS SYSTEM (AUTOMATIC DAY/ NIGHT MIRROR) NCA WIRE PARK/ NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK WIRE POWERTRAIN CONTROL MODULE (ON UPPER LEFT SIDE OF ENGINE) REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REAR FUSE BLOCK (BELOW LEFT REAR SEAT) TBC 5 FUSE 32 RIGHT TAILLAMP ASSEMBLY BACKUP LAMP SERIAL DATA TR SW A TRAILER CONNECTOR (LOWER LEFT SIDE OF ENGINE BLOCK) TRLR B/U UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE