GMC Yukon I (1991-1999) ppl Wiring diagrams

29 30 VSS VSS 5 15 4 MIL IND UPSHIFT IND SPEEDO ACCY AIR BAG DAYTIME RUNNING LAMPS ANTI-LOCK BRAKES ANTI-LOCK BRAKES SYSTEM BALANCE FUEL GAGE SENDER (IN REAR FUEL TANK) BLK WIRE BLK/WHT WIRE BRAKE IND IN BRAKE PRESSURE MODULATOR VALVE (LEFT FRONT WHEELHOUSE) BRAKE PRESSURE WARNING SWITCH (ON REAR OF BRAKE PRESSURE MODULATOR VALVE BODY) BRAKE/ BRN WIRE BRN/WHT WIRE BULB TEST CHECK GAUGES CHECK GAUGES LAMP DRIVER DAYTIME RUNNING LAMPS MODULE (LEFT SIDE OF I/P) DIODE 1 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM (FUEL PUMP BALANCE RELAY) ENGINE COOLANT TEMPERATURE SENDER (LEFT CYLINDER HEAD) FUEL GAUGE FUEL PUMP BALANCE MODULE (NEAR TRANSMISSION CROSSMEMBER) FUEL PUMP, SENDER (IN FRONT FUEL TANK) FUEL PUMP, SENDER (IN FUEL TANK) FUEL PUMP/ OIL PRESSURE SWITCH, SENDER (LEFT REAR SIDE OF ENGINE) GRY WIRE HEADLIGHTS SYSTEM HI BEAM HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (BEHIND LEFT SIDE OF I/P) IGN IGN E MINI FUSE IGNITION COIL (RIGHT REAR SIDE OF ENGINE) IGNITION SWITCH ILLUM ILLUMINATION INSTRUMENT CLUSTER LED DIMMING LEFT TURN LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE M/T A/T PNK WIRE OIL GAUGE PARITY PRNDL PARK BRAKE WARNING SWITCH (LEFT SIDE OF I/P) PNK WIRE PPL PPL PPL PPL/WHT WIRE PRNDL PRNDL A PRNDL B PRNDL C RIGHT TURN RUN WIRE SAFETY BELT SERVICE ENGINE SOON STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACH TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEMP GAUGE TRANS FUSE 20 GAUGES FUSE 4 TRANSMISSION RANGE SELECTOR (LEFT SIDE OF TRANSMISSION) TWISTED PAIR UNDERHOOD FUSE-RELAY CENTER UNDERHOOD FUSE-RELAY CENTER (LEFT REAR OF ENGINE COMPT) UPSHIFT (M/T ONLY) VEHICLE CONTROL MODULE (LEFT FRONT WHEELHOUSE) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VOLTMETER SPEEDOMETER W/ DUAL FUEL TANKS W/O DUAL FUEL TANKS WARNING SYSTEMS WHT TAN/ WIRE WHT WIRE YEL WIRE

AIR BAG ANTI-LOCK BRAKES ANTI-LOCK BRAKES SYSTEM BAT WAIT TO BLK WIRE BLK/WHT WIRE BRAKE/ BRN WIRE BRN/WHT WIRE CHECK GAUGES CHECK GAUGES LAMP DRIVER DAYTIME RUNNING LAMPS DK BLU WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENDER (LEFT SIDE OF ENGINE BLOCK) FUEL GAUGE GENERATOR GRY WIRE HEADLIGHTS SYSTEM HI BEAM IGN ILLUM ILLUMINATION INSTRUMENT CLUSTER LED DIMMING LEFT TURN RIGHT TURN LOW COOLANT LOW COOLANT LEVEL INDICATOR MODULE (UNDER CENTER OF I/P) LOW COOLANT LEVEL SENSOR (IN COOLANT RESERVOIR) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OIL PRESS OIL PRESSURE SWITCH, SENDER (LEFT REAR SIDE OF ENGINE) PARITY PRNDL PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE PRNDL PRNDL A PRNDL B PRNDL C SAFETY BELT SERVICE ENGINE SOON SERVICE THROTTLE SOON UP- SHIFT SOLID STATE SPEED- OMETER STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACH TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEMP GAUGE TRANSMISSION RANGE SELECTOR (LEFT SIDE OF TRANSMISSION) VOLT- METER WARNING SYSTEM WATER IN FUEL WATER IN-FUEL SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ACCY ANTI-LOCK BRAKES SYSTEM BALANCE FUEL GAGE SENDER (IN REAR FUEL TANK) BLK WIRE BLK/WHT WIRE BRAKE IND IN BRAKE PRESSURE MODULATOR VALVE (LEFT FRONT WHEELHOUSE) BRAKE PRESSURE WARNING SWITCH (ON REAR OF BRAKE PRESSURE MODULATOR VALVE BODY) BRN WIRE BULB TEST DAYTIME RUNNING LAMPS MODULE (LEFT SIDE OF I/P) DIODE 1 DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENG-1 MINI FUSE ENGINE CONTROLS SYSTEM (FUEL PUMP BALANCE RELAY) ENGINE CONTROLS SYSTEM TRANSMISSION SYSTEM ENGINE CONTROLS SYSTEM FUEL GAGE SENDER FUEL PUMP/ SENDER GAUGES FUSE 4 HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (BEHIND LEFT SIDE OF I/P) IGN E MINI FUSE IGNITION SWITCH LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE M/T A/T PARK BRAKE WARNING SWITCH (LEFT SIDE OF I/P) PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE RADIO RUN WIRE TAN/WHT WIRE TRANS FUSE 20 TWISTED PAIR UNDERHOOD FUSE-RELAY CENTER (LEFT REAR OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (BEHIND RIGHT SIDE OF I/P) W/ DUAL FUEL TANKS W/O DUAL FUEL TANKS WHT TAN/ WIRE WHT WIRE

4-DOOR TRUCKS ONLY BLK WIRE CARGO DOOR JAMB SWITCH (SUBURBAN, TAHOE, YUKON) CONVENIENCE CENTER (LEFT SIDE OF I/P) CTRL CTSY FUSE 3 DOME DEFEAT DOOR JAMB FRONT DOME LAMP GAGES FUSE 4 GRY WIRE HEADLAMP AND PANEL DIMMER SWITCH DOME LAMP DEFEAT COURTESY LAMPS HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P COMPARTMENT BOX LAMP I/P FUSE BLOCK IGN SW INTERIOR LAMP CONTROL MODULE (UNDER CENTER OF I/P) LAMP OUT LEFT FRONT DOOR JAMB SWITCH LEFT I/P COURTESY LAMP LEFT ILLUMINATED VANITY MIRROR LEFT REAR DOOR JAMB SWITCH MIRRORS SYSTEM ORG/ WIRE PNK WIRE PPL PPL (I/P HARN, ARRROX 8 CM IN CROSSBODY HARN BREAKOUT) REAR DOME LAMP REMOTE CONTROL DOOR LOCK RECEIVER (UNDER CENTER OF I/P) RIGHT FRONT DOOR JAMB SWITCH RIGHT I/P COURTESY LAMP RIGHT ILLUMINATED VANITY MIRROR RIGHT REAR DOOR JAMB SWITCH UNDERHOOD FUSE-RELAY CENTER HORN MINI FUSE UNDERHOOD LAMP PPL UNDERHOOD REEL LAMP W/ RKE W/O RKE WHT WIRE

260 (CROSSBODY HARNESS, BELT SWITCH BREAKOUT) BLK WIRE CIG LTR FUSE 13 CONVENIENCE CENTER (LEFT SIDE OF DASH) DOOR LOCK RELAY (UNDER CENTER OF DASH, NEAR REMOTE CONTROL DOOR LOCK RECEIVER) GROUND DOOR JAMB SW LOCK SIG UNLOCK SIG PPL GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LEFT DOOR LOCK SWITCH LEFT FRONT DOOR LOCK ACTUATOR LEFT REAR DOOR LOCK ACTUATOR LOCK LT BLU WIRE NCA WIRE ORG/ WIRE PPL PWR ACCY C.B. REAR CARGO DOOR LOCK ACTUATOR (CARGO DOORS) REAR DOOR JAMB SWITCH REAR DOOR LOCK SWITCH (CARGO DOORS) RIGHT DOOR LOCK SWITCH RIGHT FRONT DOOR LOCK ACTUATOR RIGHT REAR CARGO DOOR CONTACTOR (RIGHT REAR DOOR JAMB) RIGHT REAR DOOR LOCK ACTUATOR RR DOOR SW BATT (B+) SEAT BELT SWITCH BREAKOUT) TAN WIRE UNLOCK W/O POWER WINDOWS W/ POWER WINDOWS WHT WIRE

1134 1134 39 10 10 PARK BRAKE SIG IND BULB CHK IGNITION LAMP FEED PNK WIRE 33 33 BRAKE IND CTRL BRAKE WARN IN 592 592 150 DRL RELAY CTRL BLK WIRE BLK/WHT WIRE BRN WIRE BULB TEST CLUSTER BREAKOUT; 1998 DIESEL) CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) DAYTIME RUNNING LAMPS MODULE (BEHIND LEFT SIDE OF DASH) DAYTIME RUNNING LAMPS RELAY DIODE 203 (I/P HARNESS, RIGHT SIDE OF STEERING COLUMN) DRL INDICATOR DRL-FOG FUSE 15 FOG LAMP RELAY FOG LAMP SWITCH GAGES FUSE 4 GRN WIRE GROUND GRY WIRE HEAD OFF PARK HEAD- LAMP DIMMER SWITCH HEADLAMP AND PANEL DIMMER SWITCH HEADLAMP BREAKOUT) PPL HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT SIDE OF DASH, IGNITION SWITCH ILLUM LAMP INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (BRAKE WARNING INDICATOR) LEFT FOG LAMP LEFT HEAD- LAMP RIGHT HEAD- LAMP LIGHTING FUSE 8 LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF ON INDICATOR ORG/ WIRE PARK BRAKE WARNING SWITCH PK LPS FUSE 9 PNK WIRE PPL RED WIRE RIGHT FOG LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE/RELAY CENTER (LEFT REAR OF ENGINE COMPT) W/ FOG LAMPS YEL WIRE

AUDIO ALARM MODULE (LEFT SIDE OF I/P) BLK WIRE CONVENIENCE CENTER (LEFT SIDE OF I/P) DISPLAY DIM SIG DISPLAY DISPLAY DIM DIM SIG SIG FOG LAMP SWITCH CARGO LAMP SWITCH FRONT AUXILIARY A/C-HEATER CONTROL MODULE GRN WIRE GRY WIRE HEADLAMP AND PANEL DIMMER SWITCH HEATER AND A/C CONTROL HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK (LEFT SIDE OF I/P) ILLUM FUSE 14 INFLATABLE RESTAINT I/P MODULE ENABLE SWITCH INSTRUMENT CLUSTER OFF ORG/ WIRE PARADE MODE SW PARK PARK LPS FUSE 9 PICKUP/ EXTENDED CAB ONLY PPL PPL PPL RADIO RADIO INFLATABLE RESTAINT I/P MODULE ENABLE SWITCH REAR AUXILIARY A/C-HEATER CONTROL MODULE REAR AUXILIARY HEATER SWITCH REAR LIFTGATE RELEASE SWITCH REAR WINDOW WIPER/ WASHER SWITCH RHEO- STAT SUBURBAN, UTILITY ONLY TRANSFER CASE MODE SELECTOR ILLUMINATOR LAMP TRANSFER CASE SELECT SWITCH WHT WIRE

260 (CROSS BODY HARNESS, BELT SWITCH BREAKOUT) BLK (OR BLK/WHT) WIRE BLK WIRE BLK/WHT WIRE CIG LTR FUSE 13 CONVENIENCE CENTER (LEFT SIDE OF DASH) DATA LINK INTERIOR CONNECTOR LAMPS (UNDER LEFT SYSTEM SIDE OF DASH) DOOR LOCK RELAY (UNDER CENTER OF DASH, NEAR REMOTE CONTROL DOOR LOCK RECEIVER) GAUGES FUSE 4 GROUND DOOR JAMB SW LOCK SIG UNLOCK SIG PPL GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT SIDE OF DASH, LEFT DOOR LOCK SWITCH LEFT FRONT DOOR LOCK ACTUATOR LEFT REAR DOOR LOCK ACTUATOR LOCK LT BLU WIRE NCA WIRE ORG/ WIRE PNK WIRE PPL PWR ACCY C.B. REAR CARGO DOOR LOCK ACTUATOR (CARGO DOORS) REAR DOOR JAMB SWITCH REAR DOOR LOCK SWITCH (CARGO DOORS) REMOTE CONTROL DOOR LOCK RECEIVER (UNDER CENTER OF DASH PANEL) RIGHT DOOR LOCK SWITCH RIGHT FRONT DOOR LOCK ACTUATOR RIGHT REAR CARGO DOOR CONTACTOR (RIGHT REAR DOOR JAMB) RIGHT REAR DOOR LOCK ACTUATOR RR DOOR SW BATT (B+) SEAT BELT SWITCH BREAKOUT) TAN WIRE TRUNK, TAIL- GATE, FUEL DOORS SYSTEM UNLOCK UTILITY W/ REAR CARGO DOORS UTILITY W/ REAR LIFT GATE/WINDOW W/O POWER WINDOWS W/ POWER WINDOWS WHT WIRE

AUDIO ALARM MODULE AUX/PWR FUSE 7 AUXILIARY POWER CONNECTOR BLK WIRE BRN WIRE CIG LTR FUSE 13 CIGAR LIGHTER CONVENIENCE CENTER CRANK FUSE 8 DATA LINK CONNECTOR DOOR REMOTE CONTROL LOCK DOOR LOCK RELAY RECEIVER FROM UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 1 OF 4) I/P FUSE BLOCK IGNITION SWITCH INSTRUMENT CLUSTER LEFT FRONT DOOR LOCK SWITCH LEFT FRONT RIGHT FRONT POWER DOOR LOCK DOOR LOCK AMPLIFIER SWITCH SWITCH RELAY LEFT POWER SEAT LOCK LOCK OFF OFF LOCK OFF M/T A/T MAXI FUSE 5 MAXI FUSE 6 MAXI FUSE 7 NCA WIRE ORG/ WIRE PNK WIRE POWER WDO CIRCUIT BREAKER PPL PWR-ACCY CIRCUIT BREAKER RADIO RADIO BATT FUSE 19 RADIO FUSE 17 REAR DOOR DOOR LOCK LOCK SWITCH CONTROL MODULE REAR WINDOW LOCKOUT SWITCH (4-DR) RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER RIGHT FRONT DOOR LOCK SWITCH RIGHT FRONT POWER LUMBAR SEAT SWITCH RIGHT FRONT POWER POWER WINDOW WINDOW MASTER SWITCH SWITCH (2 DR, UTILITY) RR WIPER FUSE 23 WIPER FUSE 11 RUN WIRE STARTER RELAY UNDERHOOD FUSE-RELAY CENTER STOP/HAZ FUSE 1 SUBURBAN ONLY SUBURBAN/ UTILITY PICKUP T CASE FUSE 2 TCC/STOPLAMP SWITCH TO I/P FUSE BLOCK (DIAGRAM 4 OF 4) TO SECURITY/ STRG FUSE 21 (DIAGRAM 4 OF 4) TO UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 3 OF 4) TRANS FUSE 20 TRANS- MISSION TRANSFER CASE CONTROL MODULE TURN/ HAZARD SWITCH UNDERHOOD FUSE-RELAY CENTER W/BENCH SEAT W/O BENCH SEAT WHT WIRE WINDSHIELD RADIO WIPER MOTOR MODULE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CONVENIENCE CENTER (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE DK PPL DOWN FUSE BLOCK (LOWER LEFT SIDE OF I/P) HEADLAMP AND PANEL DIMMER SWITCH HOT AT ALL TIMES HOT IN RUN LEFT DOOR HARN BREAKOUT) LEFT FRONT LEFT FRONT POWER WINDOW MASTER SWITCH LEFT FRONT WINDOW MOTOR LEFT REAR LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LT BLU WIRE LT GRN WIRE ORG/ WIRE PK LPS FUSE PPL PWR WDO CIRCUIT BREAKER RIGHT FRONT RIGHT FRONT WINDOW MOTOR RIGHT FRONT WINDOW SWITCH RIGHT REAR RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH SEAT BELT SW BREAKOUT TOWARD I/P HARN BREAKOUT) SOLID STATE TAN WIRE UP DOWN WINDOW LOCKOUT SWITCH YEL WIRE