Back-up lamps circuit for GMC Yukon I (1991-1999)

A/T PNK WIRE BACKUP LAMPS SIGNAL (TRAILER TOW PACKAGE) (WIRE CUT AND TAPED TO HARNESS) BLK WIRE CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) FROM LICENSE LAMP BREAKOUT) HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK LEFT BACKUP LAMP LT GRN WIRE M/T MIRRORS SYSTEM PARK/NEUTRAL POSITION SWITCH (LEFT TOP OF TRANS) PNK WIRE RIGHT BACKUP LAMP TURN B/U FUSE 16