Backup lamps circuit for GMC Envoy I (1997-2000)

B/U LMPS FUSE 25 BACKUP LAMP BLK WIRE GRY WIRE HOT IN RUN OR START LEFT REAR LAMP ASSEMBLY BACKUP LAMP LT GRN WIRE PNK WIRE POWER MIRRORS SYSTEM (AUTOMATIC DAY/ NIGHT MIRROR) RIGHT REAR LAMP ASSEMBLY TRAILER WIRING PROVISION TRL B/U FUSE 11 UNDERHOOD BUSSED ELECTRICAL CENTER (ON TOP OF LEFT FRONT FENDER WALL) VEH B/U FUSE 12