GMC Pickup K2500 (1985-2000) fuse block Wiring diagrams

BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE PRESSURE MODULATOR VALVE: ANTI-LOCK BRAKES SYSTEM BRN WIRE BRN/WHT WIRE CLUTCH PEDAL SWITCH (TOP OF CLUTCH PEDAL) CRUISE CONTROL MODULE (LEFT REAR SIDE OF ENGINE COMPARTMENT) CRUISE CONTROL SWITCH CRUISE FUSE 6 CRUISE INPUT CRUISE ON INPUT S/C SIGNAL R/A SIGNAL DK BLU WIRE DK GRN/WHT WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE M/T A/T OFF ORG/ WIRE PCM SIGNAL SPEED SENSOR INPUT POWERTRAIN CONTROL MODULE (UNDER RIGHT SIDE OF I/P) PPL PPL STOPLAMP/CLUTCH SW IN R/A S/C ON STOP/HAZ FUSE 1 STOPLAMP SW INPUT TCC/ STOPLAMP SWITCH (TOP OF BRAKE PEDAL) VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT SIDE OF I/P) WHT WIRE

BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE PRESSURE MODULATOR VALVE: ANTI-LOCK BRAKES SYSTEM BRN WIRE BRN/WHT WIRE CLUTCH PEDAL SWITCH (TOP OF CLUTCH PEDAL) CRUISE CONTROL MODULE (LEFT REAR SIDE OF ENGINE COMPARTMENT) CRUISE CONTROL SWITCH CRUISE FUSE 6 CRUISE INPUT CRUISE ON INPUT S/C SIGNAL R/A SIGNAL DK BLU WIRE DK GRN/WHT WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE M/T A/T OFF ORG/ WIRE PCM SIGNAL SPEED SENSOR INPUT POWERTRAIN CONTROL MODULE (UNDER RIGHT SIDE OF I/P) PPL PPL STOPLAMP/CLUTCH SW IN R/A S/C ON STOP/HAZ FUSE 1 STOPLAMP SW INPUT TCC/ STOPLAMP SWITCH (TOP OF BRAKE PEDAL) VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT SIDE OF I/P) WHT WIRE

BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE PRESSURE MODULATOR VALVE: ANTI-LOCK BRAKES SYSTEM BRN WIRE BRN/WHT WIRE CLUTCH PEDAL SWITCH (TOP OF CLUTCH PEDAL) CRUISE CONTROL MODULE (LEFT REAR SIDE OF ENGINE COMPARTMENT) CRUISE CONTROL SWITCH CRUISE FUSE 6 CRUISE INPUT CRUISE ON INPUT S/C SIGNAL R/A SIGNAL DK BLU WIRE DK GRN/WHT WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE M/T A/T OFF ORG/ WIRE PCM SIGNAL SPEED SENSOR INPUT POWERTRAIN CONTROL MODULE (UNDER RIGHT SIDE OF I/P) PPL PPL STOPLAMP/CLUTCH SW IN R/A S/C ON STOP/HAZ FUSE 1 STOPLAMP SW INPUT TCC/ STOPLAMP SWITCH (TOP OF BRAKE PEDAL) VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT SIDE OF I/P) WHT WIRE

BRAKE FUSE 18 BRAKE PRESSURE MODULATOR VALVE: ANTI-LOCK BRAKES SYSTEM BRN WIRE CLUTCH PEDAL SWITCH (TOP OF CLUTCH PEDAL) CRUISE CONTROL SWITCH CRUISE FUSE 6 CRUISE ON INPUT S/C SIGNAL R/A SIGNAL DK BLU WIRE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES STOP/HAZ FUSE 1 HOT IN RUN LT GRN/BLK WIRE M/T A/T OFF ORG/ WIRE POWERTRAIN CONTROL MODULE (UNDER RIGHT SIDE OF I/P) PPL PPL STOPLAMP/CLUTCH SW IN PPL/WHT WIRE R/A S/C STOPLAMP SW INPUT SPEED SENSOR INPUT TCC/ STOPLAMP SWITCH (TOP OF BRAKE PEDAL) VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT SIDE OF I/P) WHT WIRE

A/T OR A/T PPL PPL PPL PPL M/T BLK WIRE BLU WIRE BRAKE APPLIED INPUT BRAKE FUSE 18 STOP/HAZ FUSE 1 BRN WIRE BRN/WHT WIRE CLUTCH PEDAL SWITCH (TOP OF CLUTCH PEDAL) CRUISE FUSE 6 CRUISE ON INPUT DISENGAGE INPUT DK BLU WIRE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN M/T MULTIFUNCTION LEVER OFF ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (RIGHT SIDE OF DASH) PPL R/A RESUME/ACCEL INPUT S/C DK DK SET/COAST INPUT TCC/STOPLAMP SWITCH (TOP OF BRAKE PEDAL) VEHICLE SPEED SENSOR (VSS) BUFFER (BEHIND RIGHT SIDE OF DASH) VSS RETURN WHT WIRE

BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE PRESSURE MODULATOR VALVE: ANTI-LOCK BRAKES SYSTEM BRN WIRE BRN/WHT WIRE CLUTCH PEDAL SWITCH (TOP OF CLUTCH PEDAL) CRUISE CONTROL MODULE (LEFT REAR SIDE OF ENGINE COMPARTMENT) CRUISE CONTROL SWITCH CRUISE FUSE 6 CRUISE INPUT CRUISE ON INPUT S/C SIGNAL R/A SIGNAL DK BLU WIRE DK GRN/WHT WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE M/T A/T OFF ORG/ WIRE PCM SIGNAL SPEED SENSOR INPUT POWERTRAIN CONTROL MODULE (UNDER RIGHT SIDE OF I/P) PPL PPL STOPLAMP/CLUTCH SW IN R/A S/C ON STOP/HAZ FUSE 1 STOPLAMP SW INPUT TCC/ STOPLAMP SWITCH (TOP OF BRAKE PEDAL) VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT SIDE OF I/P) WHT WIRE

ANTI-LOCK IND BATT GROUND BLK WIRE BRAKE IND BRAKE PRESSURE BRAKE WARN IND BROUND BRN WIRE CRUISE CONTROL SYSTEM CYLINDER DATA LINK CONNECTOR DAYTIME RUNNING LIGHTS MODULE (UNDER LEFT SIDE OF I/P) DIODE (BEHIND LEFT SIDE OF I/P) DIODE (BEHIND LEFT SIDE OF I/P) DK GRN WIRE FUSE BLOCK FUSIBLE LINK (16 GA- HOT AT ALL TIMES HOT IN RUN BRAKE FUSE HOT IN START OR RUN GAGES FUSE ECM-IGN FUSE IGN FEED ABS IND BRAKE SW IGNITION SWITCH INSTRUMENT CLUSTER LEFT FNT SENS LO RT FNT SENS LO LEFT FRONT WHEEL SENSOR LT BLU WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PNK/BLK WIRE PPL PPL PPL RED WIRE RIGHT FRONT WHEEL SENSOR RT FNT SENS HI LEFT FNT SENS HI TAN WIRE TAN/WHT WIRE TCC BRAKE SWITCH (ON BRAKE PEDAL SUPPORT ARM) VSS BUFFER INPUT DLC WARNING LAMP WARNING (ON MASTER BRAKE WHT WIRE YEL WIRE

ANTI-LOCK IND BATT GROUND BLK WIRE BRAKE IND BRAKE PRESSURE BRAKE WARN IND BROUND BRN WIRE CRUISE CONTROL SYSTEM CYLINDER DATA LINK CONNECTOR DIODE (LEFT SIDE COWL) TRUNK, TAILGATE SYSTEM (LIFTGATE WINDOW RELEASE RELAY) DK GRN WIRE FUSE BLOCK FUSIBLE LINK (16 GA- HOT AT ALL TIMES HOT IN RUN BRAKE FUSE HOT IN START OR RUN GAGES FUSE ECM-IGN FUSE IGN FEED ABS IND BRAKE SW INSTRUMENT CLUSTER LEFT FNT SENS LO RT FNT SENS LO LEFT FRONT WHEEL SENSOR LT BLU WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PNK/BLK WIRE PPL PPL PPL RED WIRE RIGHT FRONT WHEEL SENSOR RT FNT SENS HI LEFT FNT SENS HI TAN WIRE TAN/WHT WIRE TCC BRAKE SWITCH (ON BRAKE PEDAL SUPPORT ARM) VSS BUFFER INPUT DLC WARNING LAMP WARNING (ON MASTER BRAKE WHT WIRE YEL WIRE

150 250 440 696 GND BLK WIRE BLU WIRE BRAKE IND BRAKE PRESSURE WARNING SWITCH (BELOW MASTER CYLINDER) BRN WIRE DATA LINK CONNECTOR DAYTIME RUNNING LAMPS MODULE (UNDER LEFT SIDE OF I/P) DIODE DIODE MODULE (UNDER LEFT SIDE OF I/P) DUMP SOL FUSE BLOCK GAGES FUSE GRN WIRE HOT AT ALL TIMES HOT IN RUN BRAKE FUSE HOT IN RUN, BULB TEST OR HOT IN START OR RUN ECM-IGN FUSE IGNITION SWITCH INSTRUMENT CLUSTER ISO SOL DUMP SOL VLV RESET SOL RETURN ISOLATION ORG/ WIRE PARK BRAKE WARNING SWITCH (UNDER LEFT SIDE OF I/P) PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER RIGHT END OF INSTRUMENT PANEL) PPL REAR WHEEL ANTI-LOCK (RWAL) MODULE (LEFT REAR OF ENGINE (COMPARTMENT) RESET ANTI-LOCK BRAKE VALVE (LEFT SIDE OF ENGINE COMPARTMENT) SOL + SPD SIG INPUT WARNING LP BRAKE SW STOP FUSE TAN/WHT WIRE TCC/STOP LAMP SWITCH (TOP OF BRAKE PEDAL) VEHICLE SPEED SENSOR BUFFER (BEHIND I/P ON RIGHT SIDE OF STEERING COLUMN) WHT WIRE

150 250 440 696 GND ANTI-LOCK BRAKE VALVE (LEFT SIDE OF ENGINE COMPARTMENT) BLK WIRE BLU WIRE BRAKE IND BRAKE PRESSURE WARNING SWITCH (BELOW MASTER CYLINDER) BRN WIRE DATA LINK CONNECTOR DIODE (IN DIODE MODULE) DIODE MODULE (UNDER LEFT SIDE OF I/P) DUMP SOL FUSE BLOCK GAGES FUSE GRN WIRE HOT AT ALL TIMES HOT IN RUN BRAKE FUSE HOT IN RUN, BULB TEST OR HOT IN START OR RUN ECM-IGN FUSE INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM ISO SOL DUMP SOL VLV RESET SOL RETURN ISOLATION ORG/ WIRE PARK BRAKE WARNING SWITCH (MOUNTED ON PARK BRAKE) PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER RIGHT IND OF INSTRUMENT PANEL) PPL REAR WHEEL ANTI-LOCK (RWAL) MODULE (LEFT REAR OF ENGINE (COMPARTMENT) RESET+ SOL + SPD SIG INPUT WARNING LP BRAKE SW STOP FUSE TAN/WHT WIRE TCC/STOP LAMP SWITCH (TOP OF BRAKE PEDAL) TRUNK, TAILGATE SYSTEM (ENDGATE WINDOW RELEASE RELAY) VEHICLE SPEED SENSOR BUFFER (BEHIND I/P ON RIGHT SIDE OF STEERING COLUMN) WHT WIRE