GMC Pickup C2500 (1985-2000) daytime running lamps relay Wiring diagrams

A/C A/C HIGH COMP- PRESSURE RESSOR CUTOUT CLUTCH SWITCH # 2 A/C CONTROLLER ALL EXCEPT DRL ASH TRAY LAMPS AUDIO ALARM MODULE AUXILIARY BATTERY RELAY BLK WIRE BLK/WHT WIRE BLOWER MOTOR CENTER GLOW HIGH PLUG MOUNT CONTROL STOPLAMP MODULE RELAY CENTER HIGH MOUNT STOPLAMP (CHMSL) CIGARETTE LIGHTER ASSEMBLY CONVENIENCE CENTER CONVENIENCE DATA CENTER LINK CONNECTOR COOLANT LEVEL FUEL SENSOR HEATER CRUISE CONTROL MODULE DAYTIME RUNNING LAMPS MODULE DAYTIME RUNNING LAMPS RELAY DIESEL ENGINE ONLY DIODE EGR ELECTRONIC VACUUM FUEL REGULATOR PUMP SOLENOID AND VALVE SENDER ENGINES FOUR- WHEEL DRIVE INDICATOR FROM LEFT HIGH (OR HIGH/LOW) BEAM HEADLAMP FUEL PUMP RELAY GRA I/P COMP- ARTMENT BOX LAMP INSTRUMENT CLUSTER LEFT DOOR JAMB SWITCH LOW COOLANT WARNING LAMP MODULE MODULE NCA WIRE ORG/ WIRE PANEL DIMMER SWITCH (ASSEMBLY) PICKUP ONLY POWER LOCKS POWER WINDOWS POWER SEAT POWERTRAIN CONTROL MODULE (PCM) PUMP MOTOR RADIO REAR AUXILLIARY HEATER CONTROL REAR DEFOGGER SWITCH REAR WASHER PUMP MOTOR REAR WIPER/ WASHER SWITCH RED/WHT WIRE RIGHT DOOR JAMB SWITCH ROOF MARKER LAMPS RWAL MODULE SAFETY BELT RETRACTOR SWITCH SUBURBAN, UTILITY ONLY TAN WIRE TAN/WHT WIRE TURN FLASHER VEHICLE PARK/ SPEED NEUTRAL SENSOR POSITION BUFFER SWITCH W/ DIESEL ENGINES ONLY W/ HD AUTOMATIC TRANSMISSION WATER IN-FUEL SENSOR WHT/ BLK WIRE WIPER MOTOR AND HEATED MODULE OXYGEN (FRONT) SENSOR

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 CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) DAYTIME RUNNING LAMP MODULE (BEHIND LEFT SIDE OF DASH) DAYTIME RUNNING LAMPS RELAY DIODE 203 DRL INDICATOR DRL-FOG FUSE 15 FOG LAMP RELAY FOG LAMP SWITCH GAUGES FUSE 4 GRN WIRE GROUND GRY WIRE HEAD OFF PARK HEAD- LAMP DIMMER SWITCH HEADLAMP, PANEL DIMMER SWITCH 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 LOW BEAM HEAD- LAMP LEFT HIGH BEAM HEAD- LAMP RIGHT HIGH BEAM 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 RIGHT LOW BEAM HEAD- LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) W/ FOG LAMPS WHT WIRE YEL 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 CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) DAYTIME RUNNING LAMP MODULE (BEHIND LEFT SIDE OF DASH) DAYTIME RUNNING LAMPS RELAY DIODE 203 DRL INDICATOR DRL-FOG FUSE 15 FOG LAMP RELAY FOG LAMP SWITCH GAUGES FUSE 4 GRN WIRE GROUND GRY WIRE HEAD OFF PARK HEAD- LAMP DIMMER SWITCH HEADLAMP, PANEL DIMMER SWITCH 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 BLOCK (LEFT REAR OF ENGINE COMPT) W/ FOG LAMPS WHT WIRE YEL WIRE

ACCY ACCY BULB TEST LOCK OFF AUDIO ALARM AUXILLARY COOLING FAN RELAY BLK WIRE BLK/RED WIRE BRN WIRE BULB TEST CIGARETTE LIGHTER CIRCUIT BREAKER CLUTCH PEDAL SWITCH CONVEN- IENCE CENTER CONVENIENCE CENTER CRANK FUSE CTSY FUSE PARK LPS FUSE DAYTIME RUNNING LAMPS RELAY FUEL PUMP RELAY FUSE BLOCK FUSES FUSIBLE FUSIBLE LINK GENERATOR GLOW PLUG CONTROLLER GRY WIRE HEADLIGHT SWITCH ASSEMBLY HORN RELAY (CONVENIENCE CENTER) HTR-A/C, RR HVAC, IGNITION SWITCH LEFT BATTERY RIGHT BATTERY LINK LOCK LOCK OFF LOW BLOWER MEDIUM HIGH RELAY BLOWER BLOWER RELAY RELAY MODULE OFF ORG/ WIRE PNK WIRE POWERTRAIN FUEL CONTROL PUMP/OIL MODULE PRESSURE (PCM) SWITCH PPL PPL/ WHT WIRE PWR RADIO DOME LAMP REAR WINDOW RELEASE RELAY REAR WINDOW RELEASE SWITCH RED WIRE RR WPR, FRT WPR, RDO FUSES AND AND PWR WDO CIRCUIT BREAKER RUN WIRE STARTER MOTOR SOLENOID STOP FUSE SUBURBAN, UTILITY EXC. SUBURBAN, UTILITY SUBURBAN, UTILITY ONLY T/G REL FUSE DRL FUSE TRANS ECM-IGN, GLOW TURN B/U FUSE PLUGS, GAUGES FUSES W/ AUTO TRANS W/ AUTOMATIC TRANSMISSION WHT PPL/ WIRE YEL WIRE

AUDIO ALARM MODULE CONVENIENCE CENTER AUXILIARY COOLING FAN RELAY BACKUP LAMP SWITCH CONVENIENCE CENTER CRUISE CONTROL ACTIVATOR SWITCH CRUISE CONTROL MODULE DAYTIME RUNNING LAMPS MODULE (PICKUP ONLY) DAYTIME RUNNING LAMPS RELAY DK BLU WIRE ECM IGN FUSE EGR VENT SOLENOID EGR WIDTH MODULATED SOLENOID ENGINES ONLY) F/SOL FUSE FUEL HEATER FUEL INJECTION PUMP FUSE BLOCK GAUGES FUSE GLOW PLUG CONTROL MODULE IGNITION SWITCH INSTRUMENT CLUSTER PRINTED CIRCUIT LT BLU/BLK WIRE ONLY PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE PULSE WIDTH MODULATED BOOST SOLENOID REAR DEFOGGER SWITCH SOL FUSE TCC/ STOPLAMP SWITCH TURN SIGNAL FLASHER TURN-B/U FUSE WATER IN-FUEL SENSOR

AUDIO ALARM MODULE AUXILIARY HEATER/ A/C CONTROL REAR AUXILIARY REAR HEATER/ WIPER/ A/C CONTROL WASHER FRONT SWITCH CARGO LAMP SWITCH CONVENIENCE CENTER CTSY FUSE 3 DAYTIME RUNNING LAMPS RELAY DIODE DK GRN WIRE DRL/FOG FUSE 15 FOG FOG LAMP LAMP RELAY RELAY FOG LAMP SWITCH FROM MAXI FUSE 8 FRONT DOME/ READING LAMPS GLOVE BOX LAMP) GRY WIRE HEADLAMP AND PANEL DIMMER SWITCH I/P FUSE BLOCK ILLUM FUSE 14 INSTRUMENT CLUSTER LEFT FRONT DOOR COURTESY LAMP LEFT I/P SPARE COURTESY POWER LAMP SOURCE LEFT REAR DOOR COURTESY LAMP LEFT VANITY MIRROR ORG/ WIRE PARK LAMPS PICKUP ONLY PICKUP SUBURBAN, UTILITY PK LPS FUSE 9 RADIO HEATER/ CARGO LAMP A/C CONTROL SWITCH LAMP REAR DOME READING LAMPS REAR LIFTGATE RELEASE SWITCH RED WIRE REMOTE OUTSIDE MIRROR SWITCH RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT REAR DOOR COURTESY LAMP RIGHT VANITY MIRROR SUBURBAN ONLY SUBURBAN, UTILITY ONLY TWO WHEEL DRIVE INDICATOR

ACCY AUDIO BATTERY BLK WIRE BLK/RED WIRE BRN WIRE BULB TEST CIGARETTE LIGHTER CIRCUIT BREAKER CLUTCH PEDAL SWITCH CONVEN- IENCE CENTER CONVENIENCE CENTER CRANK FUSE CTSY FUSE PARK LPS FUSE DAYTIME RUNNING LAMPS RELAY FUEL AUXILLARY PUMP COOLING RELAY FAN RELAY FUSE BLOCK FUSES FUSIBLE FUSIBLE LINK GENERATOR GRY WIRE HEADLIGHT SWITCH ASSEMBLY HIGH BLOWER RELAY HORN RELAY (CONVENIENCE CENTER) HTR-A/C, RR HVAC, IGNITION COIL IGNITION SWITCH LINK LOCK LOCK OFF LOW BLOWER MEDIUM RELAY BLOWER RELAY MODULE OFF ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE POWERTRAIN FUEL CONTROL PUMP/OIL MODULE PRESSURE (PCM) SWITCH PPL PPL/ WHT WIRE PWR RADIO DOME LAMP REAR (PCM) WINDOW RELEASE RELAY REAR WINDOW RELEASE SWITCH RED WIRE RR WPR, FRT WPR, RDO FUSES AND AND PWR WDO CIRCUIT BREAKER RUN WIRE STARTER MOTOR SOLENOID STOP FUSE SUBURBAN, UTILITY EXC. SUBURBAN, UTILITY SUBURBAN, UTILITY ONLY ENGINES W/ MANUAL TRANSMISSIONS ONLY T/G REL FUSE DRL FUSE TRANS, ECM-IGN, TURN B/U INJ, GAUGES FUSES FUSES VIN H&K MANUAL TRANS ONLY W/ AUTO TRANS W/ AUTOMATIC TRANSMISSION WHT PPL/ WIRE YEL WIRE

AUDIO ALARM MODULE AUXILIARY HEATER/ A/C CONTROL REAR AUXILIARY REAR HEATER/ WIPER/ A/C CONTROL WASHER FRONT SWITCH CARGO LAMP SWITCH CONVENIENCE CENTER CTSY FUSE 3 DAYTIME RUNNING LAMPS RELAY DIODE DK GRN WIRE DRL/FOG FUSE 15 FOG FOG LAMP LAMP RELAY RELAY FOG LAMP SWITCH FROM MAXI FUSE 8 FRONT DOME/ READING LAMPS GLOVE BOX LAMP) GRY WIRE HEADLAMP AND PANEL DIMMER SWITCH I/P FUSE BLOCK ILLUM FUSE 14 INSTRUMENT CLUSTER LEFT FRONT DOOR COURTESY LAMP LEFT I/P SPARE COURTESY POWER LAMP SOURCE LEFT REAR DOOR COURTESY LAMP LEFT VANITY MIRROR ORG/ WIRE PARK LAMPS PICKUP ONLY PICKUP SUBURBAN, UTILITY PK LPS FUSE 9 RADIO HEATER/ CARGO LAMP A/C CONTROL SWITCH LAMP REAR DOME READING LAMPS REAR LIFTGATE RELEASE SWITCH RED WIRE REMOTE OUTSIDE MIRROR SWITCH RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT REAR DOOR COURTESY LAMP RIGHT VANITY MIRROR SUBURBAN ONLY SUBURBAN, UTILITY ONLY TWO WHEEL DRIVE INDICATOR

AIR BAG FUSE 10 ARMING SENSOR AUDIO ALARM MODULE BACKUP LAMP SWITCH BRN WIRE CONVENIENCE CENTER CREWCAB, SUBURBAN, UTILITY ONLY DAYTIME RUNNING LAMPS MODULE DAYTIME RUNNING LAMPS RELAY DIAGNOSTIC ENERGY RESERVE MODULE ELECTRO- REMOTE CHROMIC KEYLESS MIRROR ENTRY MODULE FROM IGNITION SWITCH FROM REAR WIPER FUSE GAUGES FUSE 4 HEAD- LAMP/ PANEL DIMMER SWITCH I/P FUSE BLOCK INSTRUMENT CLUSTER LEFT FRONT POWER WINDOW SWITCH M/T ONLY PNK WIRE PWR WDO CIRCUIT BRKR REAR WINDOW LOCKOUT SWITCH RIGHT FRONT POWER WINDOW SWITCH TURN B/U FUSE 16 TURN SIGNAL LAMP FLASHER VEHICLE SPEED SENSOR BUFFER MODULE YEL WIRE