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GMC Pickup K2500 (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 K2500 (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 (211 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (211 of 244)

A/C COMP FUSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY (IN UNDERHOOD FUSE BLOCK) A/C COMPRESSOR CYCLING SWITCH A/C CONTROL A/C DISABLE A/C HIGH PRESSURE CUTOUT SWITCH (ON A/C COMPRESSOR) A/C LOW PRESSURE CUTOUT SWITCH A/C REQ A/C SWITCH BLK WIRE BLK/ WHT WIRE BLOWER SWITCH BRN WIRE DIODE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE BLOCK HOT IN RUN HTR A/C FUSE 12 HOT IN RUN OR START HVAC CONTROL MODULE LO OFF IGNITION LT GRN WIRE ORG/ WIRE PNK WIRE SW SIG UNDERHOOD FUSE BLOCK IGN E FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) WHT WIRE

Go to component -> 7.4l vin j, compressor circuit -> ORG/ WIRE

org/ wiring diagram (212 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (212 of 244)

1 2 3 4 5 6 7 8 9 10 ILLUMINATION GROUND AIR TEMP DR SENSOR MODE SIGNAL BATTERY IGNITION GROUND DEFOGGER ELEMENT BLK WIRE BLOWER FUSE 3 BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER RESISTOR (ON BLOWER MOTOR HOUSING) BLOWER SWITCH BRN WIRE DK BLU WIRE DK GRN WIRE FRONT MODE DOOR MOTOR (ON FRONT A/C-HEATER HOUSING) FRONT TEMPERATURE DOOR MOTOR (ON FRONT A/C-HEATER HOUSING) FUSE BLOCK GRY WIRE HIGH BLOWER RELAY (ON TOP OF FRONT A/C- HEATER BLOWER HOUSING) HOT AT ALL TIMES HOT IN RUN HTR A/C FUSE 12 HVAC CONTROL MODULE LT BLU WIRE OFF LO ORG/ WIRE PPL REAR DEFOGGER SYSTEM RECIRC CTRL IGNITION RECIRCULATION DOOR MOTOR (ON FRONT A/C-HEATER HOUSING) RED WIRE TAN WIRE UNDERHOOD FUSE/RELAY CENTER WHT WIRE YEL WIRE

Go to component -> 7.4l vin j, heater circuit -> ORG/ WIRE

org/ wiring diagram (213 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (213 of 244)

1 2 3 4 5 6 7 8 9 10 ILLUMINATION GROUND A/C DISABLE RECIRC DOOR SIGNAL IGNITION A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C COMPRESSOR CYCLING SWITCH (IN LOW PRESSURE LINE, ON ACCUMULATOR) A/C CTRL A/C HIGH PRESSURE CUTOUT SWITCH (ON A/C COMPRESSOR) A/C LOW PRESSURE CUTOUT SWITCH (ON A/C COMPRESSOR) A/C REQ AIR TEMP DR SENSOR MODE SIGNAL A/C SWITCH AUX FAN FUSE AUXILIARY COOLING FAN MOTOR AUXILIARY COOLING FAN RELAY (EXC 4.3L) (IN UNDERHOOD FUSE/RELAY CENTER) BATTERY IGNITION GROUND DEFOGGER ELEMENT BLK WIRE BLK/WHT WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER RESISTOR (ON BLOWER MOTOR HOUSING) BLOWER SWITCH BRN WIRE DIODE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT RECIRCULATION DOOR MOTOR (ON FRONT A/C-HEATER HOUSING) FUSE BLOCK GRY WIRE HIGH BLOWER RELAY (ON TOP OF FRONT A/C-HEATER HOUSING) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD BLOWER FUSE 3 FUSE BLOCK HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 HVAC CONTROL MODULE IGN E FUSE A/C COMP FUSE LT BLU WIRE LT GRN WIRE OFF LO ORG/ WIRE PNK WIRE PPL REAR DEFOGGER SYSTEM RED WIRE SW SIG SW SIG RELAY CTRL TAN WIRE UNDERHOOD FUSE BLOCK VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

Go to component -> 7.4l vin j, manual a/c circuit -> ORG/ WIRE

org/ wiring diagram (214 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (214 of 244)

BLK WIRE COURTESY LAMPS CIRCUIT CTSY FUSE 3 FRONT DOME/ READING LAMPS HEADLAMP, PANEL DIMMER SWITCH COURTESY LAMPS HOT AT ALL TIMES I/P FUSE BLOCK INT LAMP OUTPUT ORG/ WIRE OVERHEAD CONSOLE READING LAMPS REAR DOME READING LAMPS REMOTE CONTROL DOOR LOCK RECEIVER (W/RKE) (BEHIND CENTER OF DASH) WHT WIRE

Go to component -> Overhead console lamps circuit -> ORG/ WIRE

org/ wiring diagram (215 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (215 of 244)

BLK/WHT WIRE BRN WIRE CAPACITOR DK GRN/WHT WIRE ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM EVO SOL FD EVO SOL OUT EVO/PASSLOCK MODULE (UNDER CENTER OF DASH) GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSLOCK SENSOR (INTERNAL TO STEERING COLUMN) PASSLOCK SIGNAL PNK PPL WIRE PNK WIRE PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) RED WIRE RED/WHT WIRE RESISTOR 10 OHMS SECURITY FUSE 21 SECURITY INDICATOR SENSOR GRD STEERING HANDWHEEL SPEED SENSOR (SENSOR GROUND) WHT WIRE YEL WIRE

Go to component -> Passlock circuit -> ORG/ WIRE

org/ wiring diagram (216 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (216 of 244)

7.4L A/C COMP FUSE A/C COMPRESSOR CLUTCH RELAY ABS FUSE 4 AUX FAN FUSE RR DEFOG FUSE AUX PWR AUTO HEADLAP FUSE 22 AUXILIARY AUXILIARY MEDIUM HIGH BLOWER BLOWER MOTOR MOTOR RELAY RELAY AUXILIARY COOLING FAN RELAY AUXILIARY ROOF LAMP RELAY AUXILIARY ROOF LAMP SWITCH BLK WIRE BLOWER FUSE 3 BLU WIRE BRAKE CONTROL MODULE BREAKOUT) BRAKE LAMP RELAY UNDERHOOD FUSE-RELAY CENTER BREAKOUT GASOLINE-ENG HARN, BREAKOUT) CAMP/TRAIL FUSE CARGO LAMP SWITCH CONN CONVENIENCE CENTER CTSY FUSE 3 DIODE DRL/FOG FUSE 15 DUAL BATTERY ECM-B FUSE ELECTRONIC BRAKE CONTROL MODULE EVO/ PASSLOCK MODULE FROM LT GRN 6-PIN WIRE FRONT POWER REAR DOME OUTSIDE DOME REARVIEW LAMPS LAMPS MIRROR SWITCH FUEL PUMP OIL PRESSURE SWITCH AND SENDER FUEL PUMP RELAY UNDERHOOD FUSE-RELAY CENTER FUSIBLE LINK (10 GA-RUST) GARAGE OVERHEAD DOOR CONSOLE OPENER READING LAMPS GENERATOR (BASE) GENERATOR (UPLEVEL) HEADLAMP HEADLAMP AND PANEL DIMMER SWITCH HEADLAMP CONTROL MODULE HEATER AND A/C CONTROL SWITCH HEATER MIRROR RELAY HIGH AUXILIARY BLOWER LOW MOTOR BLOWER RELAY MOTOR RELAY HORN FUSE HORN RELAY UNDERHOOD LAMP UNDERHOOD FUSE- RELAY CENTER HTD MIR FUSE I/P COMPARTMENT BOX LAMP I/P FUSE BLOCK INFLATABLE RESTRAINT SWITCH BREAKOUT) INSTRUMENT CLUSTER (POLICE RIGHT PACKAGE) VANITY MIRROR LEFT BATTERY (DIESEL) LEFT COURTESY LAMP LEFT VANITY MIRROR MEGA FUSE BLOCK NCA WIRE OR BLK 8-PIN IN-LINE WIRE ORG/ WIRE OVERHEAD FRONT INTERIOR CONSOLE DOME LAMP CONTROL READING LAMP MODULE LAMPS PANEL DIMMER SWITCH PICKUP ONLY PK LPS FUSE 9 POWERTRAIN CONTROL MODULE (DIESEL) RADIO BATT FUSE 19 AUX FUSE 22 RED WIRE REMOTE BATTERY STUD RIGHT BATTERY RIGHT COURTESY LAMP SECURITY/ STRG FUSE 21 SEO FUSE SINGLE BATTERY (BASE) SINGLE BATTERY (UPLEVEL) SPARE POWER SOURCE SPOTLAMP (POLICE PACKAGE) STARTER MOTOR SOLENOID STOP FUSE 2 LIGHTING FUSE 8 TO FUSIBLE LINK (DIAGRAM 5 OF 6) TO MEGAFUSE (DIAGRAM 6 OF 6) TO UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 2 OF 6) UNDERHOOD FUSE-RELAY CENTER UPPER LEVEL VEHICLE CONTROL MODULE (GASOLINE) W/O RKE YEL WIRE

Go to component -> Power distribution circuit (1 of 6) -> ORG/ WIRE

org/ wiring diagram (217 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (217 of 244)

AUDIO ALARM MODULE AUDIO AMPLIFIER AUTOMATIC AUTOMATIC TRANSFER CASE AUTOMATIC TRANSFER CASE CONTROL MODULE BASE AUX/PWR FUSE 7 BASE CARGO DOOR UPPER LEVLE BATTERY FUSE 7 BLK WIRE CIG LTR FUSE 13 CIGAR LIGHTER COLUMN HARNESS BREAKOUT) CONVENIENCE CENTER DATA LINK CONNECTOR DOOR REAR LIFTGATE LOCK DOOR RELEASE CONTROL LOCK RELAY MODULE SWITCH ELECTRIC FROM UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 1 OF 6) I/P CLUSTER BREAKOUT) I/P FUSE BLOCK INSTRUMENT CLUSTER LEFT FRONT DOOR LOCK SWITCH LIFTGATE RELEASE SWITCH NON- BASE ORG/ WIRE OTHERS PICKUP POLICE PACKAGE UPPER LEVEL POWER OUTLET BREAKOUT) PWR-ACCY CIRCUIT BREAKER (REGULAR CAB/EXTENDED CAB) RADIO RADIO BATT FUSE 19 REAR AUXILIARY POWER CONNECTOR REAR CONSOLE AUXILIARY POWER CONNECTOR RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE RIGHT FRONT CONTROL DOOR LOCK DOOR LOCK SWITCH RECEIVER RIGHT FRONT LEFT FRONT POWER POWER LUMBAR LUMBAR SEAT SWITCH SEAT SWITCH RIGHT LUMBAR POWER SEAT RIGHT LUMBAR POWER SEAT SWITCH RIGHT POWER SEAT ADJUSTER SWITCH SEAT LUMBAR SWITCH BREAKOUT) STEERING COLUMN HARNESS BREAKOUT) STOP LAMP SWITCH STOP/HAZ FUSE 1 SUBURBAN/ UTILITY SWITCH T CASE FUSE 2 TO SEATS FUSE (DIAGRAM 3 OF 6) TRANSFER CASE CONTROL MODULE TURN/ HAZARD SWITCH UNDERHOOD FUSE-RELAY CENTER UPPER LEVEL VEHICLE INTERFACE UNIT W/ RKE W/BENCH SEAT W/O RKE

Go to component -> Power distribution circuit (2 of 6) -> ORG/ WIRE

org/ wiring diagram (218 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (218 of 244)

A/T M/T AIR BAG FUSE 10 BODY CONTROL MODULE BODY REAR CONTROL STEREO MODULE CONTROLLER BRN WIRE CLUTCH PEDAL PARK/NEUTRAL POSITION POSITION SWITCH SWITCH COLUMN HARN BREAKOUT) PNK WIRE CONVENIENCE CENTER CRANK FUSE 8 DAYTIME RUNNING LAMPS MODULE DK BLU WIRE ELECTROCHROMIC REARVIEW MIRROR W/ COMPASS FROM CONVENIENCE CENTER BREAKOUT) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE-RELAY CENTER GAS DIESEL GAUGES FUSE 4 HEADLAMP, PANEL DIMMER SWITCH I/P FUSE BLOCK IGN A FUSE 6 IGN B FUSE 5 IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE SWITCH (PICKUP) INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE INTERIOR LAMP CONTROL MODULE OR REMOTE CONTROL DOOR LOCK RECEIVER LOCK OFF M/T M/T A/T ORG/ WIRE OTHERS PNK WIRE POWER WINDOW MASTER SWITCH PPL PWR WDO CIRCUIT BREAKER RADIO RADIO FUSE 17 REAR WINDOW LOCKOUT SWITCH (4-DR) RED WIRE RR WIPER FUSE 23 TRANS FUSE 20 WIPER FUSE 11 RUN WIRE STARTER RELAY TO SEATS FUSE (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 4 OF 6) PNK WIRE TRANSFER CASE SELECT SWITCH TURN B/U FUSE 16 UNDERHOOD FUSE-RELAY CENTER UPPER LEVEL UPPER LEVEL (FLOOR CONSOLE HARN, 33 CM HEATED SEAT SWITCH BREAKOUT) VEHICLE RIGHT FRONT INTERFACE POWER UNIT WINDOW SWITCH (2 DR, UTILITY) VEHICLE SPEED SENSOR BUFFER (DIESEL) W/O RKE W/ RKE WHT WIRE WINDSHIELD WIPER INSTRUMENT MOTOR CLUSTER MODULE YEL WIRE

Go to component -> Power distribution circuit (3 of 6) -> ORG/ WIRE

org/ wiring diagram (219 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (219 of 244)

AUTOMATIC TRANSFER CASE CONTROL MODULE AUTOMATIC TRANSFER CASE ONLY AUTOMATIC TRANSFER CASE SELECT SWITCH AUXILIARY AUXILIARY TEMPERATURE HIGH BLOWER DOOR MOTOR MOTOR RELAY 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) AUXILIARY MEDIUM BLOWER MOTOR RELAY BLK WIRE BLK/RED WIRE BLU WIRE BRAKE FUSE 18 BREAKOUT) BRN WIRE COLUMN HARNESS BREAKOUT) CONVENIENCE CENTER CROSSBODY HARN, 20 CM FROM SDM BREAKOUT) CRUISE CONTROL MODULE (GAS ONLY) CRUISE CONTROL SWITCH CRUISE FUSE 6 ELECTRONIC BRAKE CONTROL MODULE FROM BREAKOUT TO GROUND AT LEFT SIDE FRAME RAIL, NEAR CROSSMEMBER) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 1 OF 6) FROM UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 3 OF 6) FRONT AXLE ACTUATOR FRONT HEATED SEATS FUSE FUSE 24 FUSIBLE LINK GAS, BASE MODELS DIESEL GAS, OTHERS MODELS HTR A/C FUSE 12 HVAC CONTROL MODULE I/P FUSE BLOCK LEFT FRONT FENDER) LEFT FRONT HEATED SEAT MODULE LEFT REAR HEATED SEAT MODULE LEFT REAR HEATED SEAT SWITCH MODE DOOR MOTOR MOTOR RELAYS) ORG/ WIRE REAR HEATED SEATS FUSE REAR HEATER REAR HEATER W/ W/ REAR CARGO LIFT- HEATER DOORS GATE ONLY RECIRCULATION TEMPERATURE DOOR DOOR MOTOR MOTOR RED WIRE RESTRAINT SWITCH BREAKOUT) RIGHT FRONT HEATED SEAT MODULE RR HVAC FUSE 5 SEATS FUSE STOP LAMP SWITCH SUBURBAN, UTILITY ONLY TRANSFER SPARE CASE POWER SWITCH SOURCE UNDERHOOD FUSE-RELAY CENTER UPPER LEVEL VEHICLE CONTROL MODULE (GAS ONLY) W/ REAR DEFROST

Go to component -> Power distribution circuit (5 of 6) -> ORG/ WIRE

org/ wiring diagram (220 of 244)

GMC Pickup K2500 (1985-2000) org/ wiring diagram (220 of 244)

AUXILIARY POWER CENTER (CENTER OF DASH) BLK WIRE CICUIT BREAKER CUSTOMER INSTALLED OPTIONS FROM PWR WDO CIRCUIT BREAKER (DIAGRAM 3 OF 6) FROM RIGHT BATTERY (DIAGRAM 1 OF 6) FUSE FUSE BLOCK 3 FUSE BLOCK 5 FUSE FUSE GENERATOR MEGA FUSE ORG/ WIRE PNK WIRE POLICE PACKAGE RED WIRE RELAY RELAY/ FUSE RIGHT BATTERY WHT WIRE YEL WIRE

Go to component -> Power distribution circuit (6 of 6) -> ORG/ WIRE

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