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GMC Pickup C2500 (1985-2000) org/ Wiring diagrams

This page contains all the electrical diagrams for the component. org/, in which he is found in the car GMC Pickup C2500 (1985-2000). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..

org/ wiring diagram (151 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (151 of 233)

BLK WIRE BRAIDED GROUND STRAP CARGO DOOR JAMB SWITCH (SUBURBAN/ UTILITY ONLY) COURTESY LAMPS CTRL CTSY FUSE 3 DOME DEFEAT DOOR JAMB DOOR LOCK CONTROL MODULE (IN FRONT OF LEFT REAR WHEELWELL) FRONT DOME/ READING LAMPS GRY WIRE HEADLAMP, PANEL DIMMER SWITCH DOME LAMP DEFEAT HORN FUSE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK GAGES FUSE 4 I/P COMPART- MENT BOX LAMP I/P FUSE BLOCK IGN SW INTERIOR LAMP CONTROL MODULE (UNDER CENTER OF DASH) LAMP OUT LEFT FRONT DOOR COURTESY LAMP (IF EQUIPPED) LEFT FRONT DOOR JAMB SWITCH LEFT I/P COURTESY LAMP LEFT ILLUMINATED VANITY MIRROR LEFT REAR DOOR COURTESY LAMP (IF EQUIPPED) LEFT REAR DOOR JAMB SWITCH (IF EQUIPPED) MIRRORS SYSTEM NCA WIRE ORG/ WIRE OVERHEAD CONSOLE LAMPS CIRCUIT PNK PNK WIRE PNK WIRE PPL REAR DOME/ READING LAMPS (IF EQUIPPED) REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND CENTER OF DASH) RIGHT FRONT DOOR COURTESY LAMP (IF EQUIPPED) RIGHT FRONT DOOR JAMB SWITCH RIGHT I/P COURTESY LAMP RIGHT ILLUMINATED VANITY MIRROR RIGHT REAR DOOR COURTESY LAMP (IF EQUIPPED) RIGHT REAR DOOR JAMB SWITCH (IF EQUIPPED) UNDERHOOD FUSE/RELAY CENTER UNDERHOOD LAMP W/ OVERHEAD CONSOLE W/ RKE W/O OVERHEAD CONSOLE W/O RKE W/O RKE W/ RKE WHT WIRE

Go to component -> Courtesy lamps circuit -> ORG/ WIRE

org/ wiring diagram (152 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (152 of 233)

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

Go to component -> Headlight circuit, with quad headlamps -> ORG/ WIRE

org/ wiring diagram (153 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (153 of 233)

33 (OR 1134) 592 592 150 DRL RELAY CTRL BLK WIRE BLK/WHT WIRE BRN WIRE BULB CHECK 1317 39 10 10 FOG LAMPS IGNITION LAMP FEED PNK WIRE DIODE 203 (I/P HARNESS, RIGHT SIDE OF STEERING COLUMN) DK BLU WIRE DK GRN/WHT WIRE DRL-FOG FUSE 15 FOG LAMP RELAY (UNDER LEFT END OF I/P) FOG LAMP SWITCH GAGES FUSE 4 GRN WIRE GROUND GRY WIRE HEAD HEAD OFF OFF PARK PARK HEAD- LAMP DIMMER SWITCH HEADLAMP, PANEL DIMMER SWITCH HI LO HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION SWITCH ILLUM LAMP INSTRUMENT CLUSTER HI BEAM INDI- CATOR DRL INDI- CATOR INSTRUMENT CLUSTER SYSTEM LEFT FOG LAMP RIGHT FOG LAMP LEFT HEAD- LAMP LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF ON INDICATOR ORG/ WIRE PARK BRAKE WARNING SWITCH (ON PARK BRAKE) PNK WIRE PPL PPL PPL RIGHT HEAD- LAMP TAN WIRE TAN/WHT WIRE W/ FOG LAMPS YEL WIRE

Go to component -> Headlight circuit, with sealed beam lamps -> ORG/ WIRE

org/ wiring diagram (154 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (154 of 233)

A/C COMP MINI FUSE A/C MAXI FUSE 3 MAXI FUSE 4 A/C RELAY AUX FAN RELAY MINI FUSE AUXILIARY COOLING FAN RELAY BLK WIRE BLK/RED WIRE BLOWER LOW RELAY BLOWER RELAY BLU WIRE BRAKE LAMP RELAY UNDERHOOD FUSE-RELAY CENTER CARGO LAMP SWITCH (PICK-UP ONLY) CONVENIENCE CENTER CONVENIENCE CONVENIENCE CENTER CENTER CTSY FUSE 3 DAYTIME LEFT RUNNING COURTESY LAMPS LAMP RELAY DIESEL DIESEL EXCEPT DIESEL DIESEL GASOLINE DIODE DRL/FOG FUSE 15 ECM-B MINI FUSE ELECTRONIC CONVENIENCE CENTER BRAKE CONTROL MODULE FRONT DOME/ READING LAMPS FUEL PUMP OIL PRESSURE SWITCH AND SENDER FUEL PUMP RELAY UNDERHOOD FUSE-RELAY CENTER FUSIBLE LINK (10 GA-RUST) GAS GENERATOR HEADLAMP AND PANEL DIMMER SWITCH HEATER AND A/C CONTROL SWITCH HORN MINI FUSE HORN RELAY I/P COMPARTMENT LAMP I/P FUSE BLOCK INTERIOR LAMP CONTROL MODULE LEFT BATTERY (DIESEL) LEFT ILLUMINATED VANITY MIRROR MAXI FUSE MAXI FUSE 2 MAXI FUSE 8 ORG/ WIRE PK LPS FUSE 9 POWERTRAIN CONTROL MODULE (DIESEL) REAR DOME READING LAMPS RED WIRE REMOTE BATTERY STUD RIGHT BATTERY RIGHT COURTESY LAMP RIGHT FRONT DOOR COURTESY LAMP RIGHT REAR DOOR COURTESY LAMP RR-DEFOG MINI FUSE STARTER MOTOR SOLENOID TO FUSIBLE LINK (DIAGRAM 4 OF 4) TO UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 2 OF 4) UNDERHOOD FUSE-RELAY CENTER UNDERHOOD LAMP UNDERHOOD REEL LAMP VEHICLE CONTROL MODULE (GASOLINE) YEL WIRE

Go to component -> Power distribution circuit (1 of 4) -> ORG/ WIRE

org/ wiring diagram (155 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (155 of 233)

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

Go to component -> Power distribution circuit (2 of 4) -> ORG/ WIRE

org/ wiring diagram (156 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (156 of 233)

AUXILIARY BATTERY AUXILIARY BATTERY RELAY (LEFT REAR OF ENGINE COMPT) AUXILIARY HEATER AND A/C CONTROL LOGIC MODULE AUXILIARY HEATER AND A/C CONTROL MODULE (FRONT) AUXILIARY HEATER AND A/C CONTROL MODULE (REAR) BLK WIRE BLK/RED WIRE BLU WIRE BRAKE FUSE 18 BRN WIRE CONVENIENCE CENTER CRUISE CONTROL MODULE CRUISE CONTROL SWITCH CRUISE FUSE 6 DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE EXCEPT DIESEL DIESEL FROM IGNITION SWITCH (DIAGRAM 2 OF 4) FROM STOP/HAZ FUSE 1 (DIAGRAM 2 OF 4) FROM UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 1 OF 4) FRONT MODE DOOR MOTOR FRONT TEMPERATURE DOOR MOTOR FUSE 24 FUSIBLE LINK GRY WIRE HEATER AND A/C CONTROL MODULE HEATER AND A/C CONTROL SWITCH HTR A/C FUSE 12 I/P FUSE BLOCK ILLUM FUSE 14 INTERIOR LIGHTS SYSTEM (HEADLAMP AND PANEL LAMP DIMMER) LEFT FRONT FENDER) ORG/ WIRE POWER STEERING CONTROL MODULE REAR AUXILIARY TEMPERATURE DOOR MOTOR REAR HIGH BLOWER RELAY REAR LOW BLOWER RELAY REAR REAR MEDIUM AUXILIARY BLOWER MODE DOOR RELAY MOTOR RECIRCULATION DOOR MOTOR RR HVAC FUSE 5 SECURITY/ STRG FUSE 21 TCC/ STOPLAMP SWITCH TRANSFER SPARE CASE POWER SELECT SOURCE SWITCH VEHICLE CONTROL MODULE

Go to component -> Power distribution circuit (4 of 4) -> ORG/ WIRE

org/ wiring diagram (157 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (157 of 233)

BLK WIRE BRN WIRE END- GATE MARK- ER LAMPS ENDGATE CROUND EXTERIOR LAMPS CIRCUIT HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK LEFT FRONT CLEAR- ANCE LAMP LEFT REAR CLEAR- ANCE LAMP LEFT REAR FENDER LEFT TAIL/ STOP/ TURN LAMP OFF ORG/ WIRE PARADE MODE SW PARK PARK LPS FUSE 9 RHEO- STAT RIGHT FRONT CLEAR- ANCE LAMP RIGHT REAR CLEAR- ANCE LAMP RIGHT REAR FENDER RIGHT TAIL/ STOP/ TURN LAMP

Go to component -> Rear clearance lamps circuit -> ORG/ WIRE

org/ wiring diagram (158 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (158 of 233)

27 28 29 30 31 PPL 5 VOLT REF ACCELERATOR PEDAL POSITION (APP) MODULE (PART OF ACCELERATOR PEDAL) BLK WIRE BLU WIRE BRAKE FUSE 18 BRAKE SWITCH ASSEMBLY (AT REAR OF BRAKE PEDAL SUPPORT BRACKET) BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION (CPP) SWITCH (M/T ONLY) (TOP OF CLUTCH PEDAL) CMP SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM 1 FUSE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HIGH RES SIG HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P FUSE BLOCK INJECTION TIMING STEPPER MOTOR (TOP RIGHT FRONT OF ENGINE) LT BLU WIRE LT GRN WIRE LT PPL NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK PNK 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 WIRE PNK PNK 8 9 WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL (OR BRN/WHT) WIRE RED WIRE RED/BLK WIRE RUN WIRE SENS GRD STOP/HAZ FUSE 1 TAN WIRE TAN/BLK WIRE TRANS FUSE 20 UNDERHOOD FUSE-RELAY CENTER WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 6.5l (vin s)s (2 of 4) -> ORG/ WIRE

org/ wiring diagram (159 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (159 of 233)

"GLOW PLUGS" INDICATOR BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-B FUSE FUEL LIFT PUMP (INSIDE LEFT FRAME RAIL, BELOW DRIVER'S DOOR) FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY (IN UNDERHOOD FUSE-RELAY CENTER) GAUGES FUSE 4 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM (FUEL PUMP BALANCE RELAY) LT GRN WIRE ORG/ WIRE PNK PNK 8 9 WIRE PNK PNK PNK WIRE PNK WIRE RED WIRE SERVICE ENGINE SOON INDICATOR SERVICE THROTTLE SOON INDICATOR TAN WIRE UNDERHOOD FUSE-RELAY CENTER VEHICLE SPEED INPUT W/DUAL TANKS W/O DUAL TANKS WAIT TO WATER IN FUEL INDICATOR WATER IN-FUEL SENSOR (TOP CENTER REAR OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 6.5l (vin s)s (3 of 4) -> ORG/ WIRE

org/ wiring diagram (160 of 233)

GMC Pickup C2500 (1985-2000) org/ wiring diagram (160 of 233)

"SERV ENG SOON" IND ENGINE SHUTOFF SOL OUT EGR SOL OUTPUT "SERV THROTTLE SOON" IND EGR VALVE SOL PUTPUT A/C ENABLE PCM GND PCM GND A/C SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF ENGINE COMPT) ENG-I FUSE EXHAUST GAS RECIRCULATION (EGR) VENT SOLENOID (TOP LEFT REAR OF ENGINE) EXHAUST GAS RECIRCULATION EGR SOLENOID (TOP LEFT REAR OF ENGINE) FUEL HEATER (TOP REAR OF ENGINE) FUEL SOL MODULE (5 VREF) FUSIBLE LINK FUSIBLE LINKS GLOW GLOW PLUG 3 PLUG 5 GLOW PLUG 1 GLOW PLUG 2 GLOW PLUG 4 GLOW PLUG 6 GLOW PLUG 7 GLOW PLUG 8 GLOW PLUG OUTPUT GLOW PLUG RELAY (TOP LEFT REAR OF ENGINE) GRD GROUND GRY WIRE HOT AT ALL TIMES FUSIBLE LINK HOT IN RUN OR START LT GRN WIRE ORG/ WIRE PNK IGN WIRE PNK PNK 439 439 IGNITION IGNITION WIRE PNK PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (BEHIND RIGHT SIDE OF DASH, NEAR BLOWER MOTOR) PPL RED WIRE RELAY CTRL SIGNAL TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER WASTEGATE SOL ENGINE SHUTOFF SOL OUT WASTEGATE SOLENOID (TOP LEFT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 6.5l (vin s)s (4 of 4) -> ORG/ WIRE

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