Chevrolet Blazer S15 (1994-1998) Backup lamps circuit

BLK WIRE HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK LEFT BACKUP LAMP LT GRN WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (LEFT SIDE TRANS.) PNK A/T WIRE PNK M/T WIRE PNK WIRE RIGHT BACKUP LAMP TRAILER WIRING PROVISION TURN B/U FUSE 16