GMC Pickup C2500 (1985-2000) blk Wiring diagrams

This page contains all the electrical diagrams for the component. blk, 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..

blk wiring diagram (131 of 293)

BLK WIRE CARGO DOOR JAMB SWITCH COURTESY CTSY FUSE 3 FRONT DOME LAMP FUSE BLOCK- I/P HEADLAMP, PANEL DIMMER SWITCH DOME LAMP DEFEAT HORN MINI FUSE HOT AT ALL TIMES I/P COMPT BOX LAMP LEFT FRONT DOOR JAMB SWITCH LEFT I/P COURTESY LAMP LEFT REAR DOOR JAMB SWITCH ORG/ WIRE PPL REAR DOME LAMP RIGHT FRONT DOOR JAMB SWITCH RIGHT I/P COURTESY LAMP RIGHT REAR DOOR JAMB SWITCH SUBURBAN ONLY TAHOE, YUKON, SUBURBAN ONLY UNDERHOOD FUSE/RELAY CENTER UNDERHOOD LAMP UNDERHOOD REEL LAMP WHT WIRE

Go to component -> Courtesy lamps circuit, without auxiliary lighting -> BLK WIRE

blk wiring diagram (132 of 293)

BLK WIRE BLU WIRE BRN WIRE BULB CHECK FOG LTS ENABLE CONVENIENCE CENTER DAYTIME RUNNING LAMP INDICATOR INSTRUMENT CLUSTER DAYTIME RUNNING LAMPS MODULE (BEHIND LEFT SIDE OF I/P) DAYTIME RUNNING LAMPS RELAY (ENGINE COMPARTMENT FRONT PLENUM PANEL) DIODE DK BLU WIRE DK GRN/WHT WIRE FOG LAMP ON INDICATOR SOLID STATE SWITCH FOG LAMP RELAY FOG LAMP SWITCH GRN WIRE GRY WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI LO HOT AT ALL TIMES HOT AT ALL TIMES DRL-FOG FUSE 15 HOT IN RUN, BULB TEST OR START FUSE BLOCK GAUGES FUSE 4 ILLUM LAMP LAMP FEED HI BEAM FEED HI BEAM INDICATOR LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LT GRN WIRE LT GRN/BLK WIRE OFF OFF HEAD ORG/ WIRE OUTPUT TO RELAY GROUND PARK PARK BRAKE WARNING SWITCH (AT PARK BRAKE, UNDER LEFT SIDE OF I/P) PICKUP EXT. CAB PNK IGNITION WIRE PNK WIRE PPL PPL LEFT FOG LAMP PPL RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP SUBURBAN PICKUP UTILITY EXT. CAB CREW CAB SUBURBAN UTILITY CREW CAB TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

Go to component -> Fog lamp circuit, composite with drl -> BLK WIRE

blk wiring diagram (133 of 293)

BLK WIRE BRN WIRE BULB CHECK FOG LTS ENABLE CONVENIENCE CENTER DAYTIME RUNNING LAMP INDICATOR INSTRUMENT CLUSTER DAYTIME RUNNING LAMPS MODULE (BEHIND LEFT SIDE OF I/P) DAYTIME RUNNING LAMPS RELAY (ENGINE COMPARTMENT FRONT PLENUM PANEL) DIODE DK BLU WIRE DK GRN/WHT WIRE FOG LAMP ON INDICATOR SOLID STATE SWITCH FOG LAMP RELAY FOG LAMP SWITCH GRN WIRE GRY WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI LO HOT AT ALL TIMES HOT AT ALL TIMES DRL-FOG FUSE 15 HOT IN RUN, BULB TEST OR START FUSE BLOCK GAUGES FUSE 4 ILLUM LAMP LAMP FEED HI BEAM FEED HI BEAM INDICATOR LEFT HEADLAMP ASSEMBLY HI LO LT GRN WIRE LT GRN/BLK WIRE OFF OFF HEAD ORG/ WIRE OUTPUT TO RELAY GROUND PARK PARK BRAKE WARNING SWITCH (AT PARK BRAKE, UNDER LEFT SIDE OF I/P) PICKUP EXT. CAB PNK IGNITION WIRE PNK WIRE PPL PPL LEFT FOG LAMP PPL RIGHT FOG LAMP RIGHT HEADLAMP ASSEMBLY HI LO SUBURBAN PICKUP UTILITY EXT. CAB CREW CAB SUBURBAN UTILITY CREW CAB TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

Go to component -> Fog lamp circuit, sealed beam with drl -> BLK WIRE

blk wiring diagram (134 of 293)

AUXILIARY BLOWER MOTOR AUXILIARY HEATER- A/C LOGIC MODULE AUXILIARY MODE DOOR MOTOR AUXILIARY TEMP DOOR MOTOR BLK WIRE CARGO LIFTGATE DOOR RELEASE LOCK RELAY RELAY CENTER HIGH MOUNT STOPLAMP CHASSIS CAB, HEAVY DUTY DIESEL GAS DOOR LOCK CONTROL LUXURY MODULE (W/ CARGO DOORS) FRONT REAR DOME DOME LAMP LAMP ENDGATE MARKER LAMPS EXCEPT CHASSIS CAB, HEAVY DUTY FROM CHMSL BREAKOUT) FROM FUEL PUMP AND SENDER BREAKOUT) FRONT AUXILIARY HEATER-A/C CONTROL MODULE FUEL PUMP, SENDER (PRIMARY) FUEL PUMP, SENDER (SECONDARY) GARAGE DOOR OPENER IN-LINE RESISTOR LEFT CARGO DOOR DEFOGGER GRID LEFT DOOR CONTACT BUTTON LEFT FRONT CLEARANCE LAMP LEFT LICENSE LAMP LEFT REAR CLEARANCE LAMP LEFT REAR TAIL, STOP, LICENSE, TURN, BACK-UP LAMPS LEFT REAR TAIL, STOP, TURN, BACKUP LAMPS LEFT RIGHT LICENSE LICENSE LAMP LAMP LEFT TAIL, STOP, TURN, BACKUP LAMPS LIFT GATE CARGO DOORS LIFTGATE WINDOW DEFOGGER GRID LUXURY NCA WIRE PICKUP W/ DUAL REAR WHEELS READING LAMP OVERHEAD CONSOLE REAR AUXILIARY HEATER-A/C CONTROL MODULE REAR AUXILIARY POWER CONNECTOR REAR DOOR JAMB SWITCH REAR WIPER MOTOR MODULE RIGHT CARGO DOOR DEFOGGER GRID RIGHT DOOR CONTACT BUTTON RIGHT FRONT CLEARANCE LAMP RIGHT LICENSE LAMP RIGHT REAR CLEARANCE LAMP RIGHT REAR TAIL, STOP, LICENSE, TURN, BACK-UP LAMPS RIGHT REAR TAIL, STOP, TURN, BACK-UP LAMPS RIGHT TAIL, STOP, TURN, BACKUP LAMPS TRAILER GROUND (TAPED BACK) UTILITY WHT WIRE

Go to component -> Ground distribution circuit (4 of 4) -> BLK WIRE

blk wiring diagram (135 of 293)

BLK WIRE BLU WIRE BULB CHECK DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (BEHIND LEFT SIDE OF I/P) DAYTIME RUNNING LAMPS RELAY (ENGINE COMPARTMENT FRONT PLENUM PANEL) DK BLU WIRE GRN WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HOT AT ALL TIMES HOT AT ALL TIMES DRL-FOG FUSE 15 HOT IN RUN, BULB TEST OR START FUSE BLOCK GAUGES FUSE 4 INSTRUMENT CLUSTER LAMP FEED HI BEAM FEED HI BEAM INDICATOR LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LT GRN WIRE LT GRN/BLK WIRE OFF OFF HEAD ORG/ WIRE OUTPUT TO RELAY GROUND PARK PARK BRAKE WARNING SWITCH (AT PARK BRAKE, UNDER LEFT SIDE OF I/P) PNK IGNITION 10 10 WIRE PNK WIRE RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

Go to component -> Headlight circuit, composite with drl -> BLK WIRE

blk wiring diagram (136 of 293)

BLK WIRE BRN WIRE DK BLU WIRE FOG LAMP ON INDICATOR SOLID STATE SWITCH FOG LAMP RELAY (BEHIND LEFT SIDE OF I/P) FOG LAMP SWITCH GRN WIRE GRY WIRE HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI LO HOT AT ALL TIMES HOT AT ALL TIMES FUSE BLOCK DRL-FOG FUSE ILLUM LAMP INSTRUMENT CLUSTER LEFT LOW BEAM HEAD- LAMP LT GRN WIRE OFF OFF HEAD HEAD PARK ORG/ WIRE PARK PPL PPL PPL RIGHT FOG LAMP LEFT FOG LAMP RIGHT HIGH BEAM HEAD- LAMP LEFT HIGH BEAM HEAD- LAMP RIGHT LOW BEAM HEAD- LAMP TAN WIRE WHT WIRE YEL WIRE

Go to component -> Headlight circuit, composite without drl -> BLK WIRE

blk wiring diagram (137 of 293)

BLK WIRE BULB CHECK DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (BEHIND LEFT SIDE OF I/P) DAYTIME RUNNING LAMPS RELAY (ENGINE COMPARTMENT FRONT PLENUM PANEL) DK BLU WIRE GRN WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HOT AT ALL TIMES HOT AT ALL TIMES DRL-FOG FUSE HOT IN RUN, BULB TEST OR START FUSE BLOCK GAUGES FUSE 4 INSTRUMENT CLUSTER LAMP FEED HI BEAM FEED HI BEAM INDICATOR LEFT HEADLAMP ASSEMBLY HI LT GRN WIRE LT GRN/BLK WIRE OFF OFF HEAD ORG/ WIRE OUTPUT TO RELAY GROUND PARK PARK BRAKE WARNING SWITCH (AT PARK BRAKE, UNDER LEFT SIDE OF I/P) PNK IGNITION 10 10 WIRE PNK WIRE RIGHT HEADLAMP ASSEMBLY HI LO TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

Go to component -> Headlight circuit, sealed beam with drl -> BLK WIRE

blk wiring diagram (138 of 293)

BLK WIRE BRN WIRE DK BLU WIRE FOG LAMP ON INDICATOR SOLID STATE SWITCH FOG LAMP RELAY (BEHIND LEFT SIDE OF I/P) FOG LAMP SWITCH GRN WIRE GRY WIRE HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI LO HOT AT ALL TIMES HOT AT ALL TIMES FUSE BLOCK DRL-FOG FUSE ILLUM LAMP INSTRUMENT CLUSTER LEFT HEADLAMP ASSEMBLY LO HI LT GRN WIRE OFF OFF HEAD HEAD PARK ORG/ WIRE PARK PPL PPL PPL RIGHT FOG LAMP LEFT FOG LAMP RIGHT HEADLAMP ASSEMBLY TAN WIRE WHT WIRE YEL WIRE

Go to component -> Headlight circuit, sealed beam without drl -> BLK WIRE

blk wiring diagram (139 of 293)

AUDIO ALARM MODULE (ON CONVENIENCE CENTER) AUTOMATIC TRANSFER CASE CONTROL SWITCH (LUXURY) AUTOMATIC TRANSFER CASH SELECT SWITCH AUXILIARY HEATER CONTROL BASE BLK WIRE CARGO LAMP SWITCH (PICKUP ONLY) TRANSFER CASE SWITCH CONVEN- IENCE CENTER DAYTIME RUNNING LAMP (DRL)/ RADIO OVERRIDE SWITCH DAYTIME RUNNING LAMPS (DRL)/ RADIO OVERRIDE SWITCH DISPLAY DIM SIG DISPLAY DISPLAY DIM DIM SIG SIG FOG LAMP SWITCH FRONT AUXILIARY HVAC CONTROL LAMP GRN WIRE GRY WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HVAC CONTROL LAMP I/P FUSE BLOCK ILLUM FUSE 14 ILLUMINATION INFLATABLE RESTAINT I/P MODULE SWITCH INSTRUMENT CLUSTER LIFTGATE RELEASE SWITCH (SUBUR- BAN/ UTILITIY ONLY) LUXURY 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 SWITCH REAR AUXILIARY HVAC CONTROL LAMP REAR AUXILIARY HVAC CONTROL SWITCH REAR WINDOW WIPER/ WASHER SWITCH RHEO- STAT SUBURBAN, UTILITY ONLY SWITCH (SUBUR- BAN/ UTILITIY ONLY) TRANSFER CASE SHIFT ILLUMINATION LAMP TRANSFER CASE SWITCH WHT WIRE

Go to component -> Instrument illumination circuit (1 of 2) -> BLK WIRE

blk wiring diagram (140 of 293)

ASH TRAY LAMP BLK WIRE BODY CONTROL MODULE (IN CENTER CONSOLE) BRN WIRE GARAGE DOOR OPENER LAMP HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK LEFT FRONT POWER WINDOW SWITCH LEFT REAR HEATED SEAT SWITCH LEFT REAR POWER WINDOW SWITCH OFF ORG/ WIRE PARADE MODE SW PARK PARK LPS FUSE 9 POWER OUTSIDE REARVIEW MIRROR SWITCH REAR STEREO CONTROLLER REAR WINDOW LOCKOUT SWITCH RHEO- STAT RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR HEATED SEAT SWITCH RIGHT REAR POWER WINDOW SWITCH

Go to component -> Instrument illumination circuit (2 of 2) -> BLK WIRE

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GMC Pickup C2500 (1985-2000) blk Wiring diagrams

blk wiring diagram (131 of 293)

List of components:

blk wiring diagram (132 of 293)

List of components:

blk wiring diagram (133 of 293)

List of components:

blk wiring diagram (134 of 293)

List of components:

blk wiring diagram (135 of 293)

List of components:

blk wiring diagram (136 of 293)

List of components:

blk wiring diagram (137 of 293)

List of components:

blk wiring diagram (138 of 293)

List of components:

blk wiring diagram (139 of 293)

List of components:

blk wiring diagram (140 of 293)

List of components:

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