GMC Yukon I (1991-1999) (left frame rail, behind bumper) Wiring diagrams

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

AUXILIARY LEAD (TAPED TO HARNESS) BACKUP LIGHTS CIRCUIT BLK WIRE BLU WIRE BRN WIRE CAB CLEARANCE LAMPS CARGO LAMP CR LP CARGO LAMP SWITCH CENTER HIGH MOUNT STOP LAMP CH- MSL LP CLUSTER BREAKOUT) COLUMN HARNESS BREAKOUT) CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) CRUISE CONTROL SYSTEM CTSY FUSE 3 DK BLU WIRE DK GRN WIRE GRN WIRE GRY WIRE HARNESS BREAKOUT) (W/ TRAILER PKG) HAZARD NORMAL HEADLAMP, PANEL DIMMER SWITCH HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES UNDER- HOOD FUSE- RELAY CENTER (LEFT REAR OF ENGINE COMPT.) HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRU- MENT CLUSTER RIGHT TURN INDIC INTERIOR LIGHTS SYSTEM CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) LEFT LEFT FRONT PARK/ TURN LAMPS LEFT HEADLAMP BREAKOUT) LEFT LICENSE LAMP TOWARD TAILLAMP BREAKOUT) LEFT TAIL/ STOP/ TURN LAMP LEFT TURN INDIC LH RH LICENSE LAMP LICENSE LAMP BREAKOUT) LICENSE LAMPS LT BLU WIRE LT GRN WIRE MAXI FUSE 2 NCA WIRE OFF ORG/ WIRE PARK PARK LPS FUSE 9 PICKUP PLATFORM HITCH GROUND PNK WIRE PPL REAR CLEARANCE LAMPS CIRCUIT RED WIRE RHEO- REAR CLEARANCE LAMPS CIRCUIT STAT RIGHT RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN LAMPS RIGHT HEADLAMP BREAKOUT) RIGHT TAIL/ STOP/ TURN LAMP STOP- LAMP RELAY (EXCEPT SUBUR- BAN/ UTILITY) STOP/ HAZ FUSE 1 SUBURBAN/ UTILITY TCC/ STOP LAMP SWITCH (TOP OF BRAKE PEDAL) TRAILER HARNESS BREAKOUT) TRAILER TOWING ADAPTER (WIRES ARE CUT AND TAPED TO HARNESS) TURN B/U FUSE 16 TURN PWR HAZ PWR FLSHR OUT GND TURN/ HAZARD SWITCH TURN/HAZARD FLASHER (CONVENIENCE CENTER: UNDER LEFT SIDE OF DASH) UNDER- HOOD FUSE RELAY CENTER (LEFT REAR OF ENGINE COMPT.) W/ DUAL REAR WHEELS W/ STEP BUMPER W/O STEP BUMPER WHT WIRE YEL WIRE

AUXILIARY HEATER- A/C LOGIC MODULE BALANCE FUEL PUMP BLK WIRE BLK/WHT WIRE CENTER HIGH MOUNT STOPLAMP CHASSIS CAB, HEAVY DUTY DOOR CONTACT BUTTON DOOR LOCK CONTROL MODULE EXCEPT CHASSIS CAB, HEAVY DUTY FRONT AUXILIARY HEATER-A/C CONTROL MODULE FRONT REAR DOME DOME LAMP LAMP FUEL LIFT PUMP INFLATABLE RESTRAINT FRONT END SENSOR INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE LEFT CARGO DOOR DEFOGGER GRID LEFT LEFT REAR FRONT CLEARANCE CLEARANCE LAMP LAMP LEFT REAR FENDER LEFT REAR TAIL, STOP, LICENSE, TURN, BACKUP LAMPS LEFT REAR TAIL, STOP, TURN, LEFT BACKUP LICENSE LAMP LAMPS LEFT TAIL, STOP, LEFT TURN, LICENSE BACKUP LAMPS LAMP OVERHEAD CONSOLE LAMPS PICKUP W/ DUAL REAR WHEELS REAR AUXILIARY HEATER-A/C CONTROL MODULE REAR AUXILIARY MODE DOOR MOTOR REAR AUXILIARY TEMP DOOR MOTOR REAR BLOWER MOTOR REAR LIFTGATE WINDOW DEFOGGER GRID REAR WIPER MOTOR MODULE RIGHT CARGO DOOR DEFOGGER GRID RIGHT ENDGATE LICENSE MARKER LAMP LAMPS RIGHT LICENSE LAMP RIGHT REAR DOOR JAMB SWITCH RIGHT REAR FENDER RIGHT REAR TAIL, STOP, LICENSE, TURN, BACKUP LAMPS RIGHT REAR TAIL, STOP, TURN, BACKUP LAMPS RIGHT RIGHT REAR FRONT CLEARANCE CLEARANCE LAMP LAMP RIGHT TAIL, STOP, TURN, BACKUP LAMPS SUBURBAN/ UTILITY TRAILER GROUND (TAPED BACK) UTILITY ONLY W/ DUAL TANKS WHT WIRE