Chevrolet Chevy Van G1500 (1996-1998) brake fuse 18 Wiring diagrams

ABS FUSE ABS IND. BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH BRAKE SW OUTPUT BRAKE/ BRN WIRE DAYTIME RUNNING LAMPS CONTROL (LEFT SIDE OF DASH) DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT FRAME RAIL) HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START GAUGES FUSE 4 I/P FUSE BLOCK IGN ABS LAMP CONTROL BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LFT FRT SENSOR (-) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE PPL PPL/WHT WIRE PUMP MOTOR POWER PUMP MOTOR GROUND RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RT FRT SENSOR (-) LFT FRT SENSOR (+) RT FRT SENSOR (+) TAN WIRE TAN/WHT WIRE TCC STOPLAMP SWITCH (BRAKE PEDAL SUPPORT) UNDERHOOD FUSE-RELAY CENTER VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VEHICLE SPEED SIG VSS VSS SIG SERIAL DATA LINE SERIAL DATA SIGNAL BRAKE LAMP CONTROL EBCM GROUND WHT WIRE YEL WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL ONLY) SOLENOID 3-2 DOWNSHIFT SOL AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY IN BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU WIRE ECM-B FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (5.0L/5.7L) FUEL INJECTORS IGNITION COIL FUEL PUMP RELAY, FUEL PUMP SWITCH GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGNITION IN PNK IGNITION IN WIRE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL PPL BRAKE SWITCH INPUT PPL DATA CLASS II ORG/ WIRE PCM GROUND PCS SOL LO OUT PNK PNK WIRE PNK WIRE PPL PPL HI PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "B" PNK RANGE SIGNAL "A" WIRE RED WIRE RED/BLK WIRE SENSOR GROUND 6 7 8 11 PCS SOL HI OUT A/T ISS HI A/T ISS LO RANGE SIGNAL "C" SENSOR RETURN SWITCH ASSEMBLY TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID TCC SOL TCC SOLENOID TCC/ABS/ CRUISE SWITCH TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS RANGE PRESSURE TRANS TEMP SIG IN TWISTED WIRE PAIR UNDERHOOD FUSE/RELAY CENTER ECM-1 FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VSS HI VSS LO WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID A/T ISS HI IN A/T ISS LO IN AUTO TRANSMISSION INPUT SHAFT SPEED SENSOR (INSIDE FRONT OF TRANSMISSION) AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRAKE FUSE 18 BRAKE SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) BRAKE SWITCH INPUT BRN WIRE BRN/WHT WIRE DATA CLASS II DK BLU WIRE ECM 1 FUSE ECM-B FUSE ECT SENS INPUT ENG 1 FUSE ENGINE COOLANT TEMP SENSOR (LEFT SIDE OR TOP FRONT OF ENGINE) GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HOT IN RUN, START OR OFF I/P FUSE BLOCK IGNITION IN INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL ORG/ WIRE PCM GROUND PCS SOL HI OUT PCS SOL LO OUT PNK (OR ORG) WIRE PNK WIRE PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "A" RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS RANGE PRESSURE SWITCH ASSEMBLY TRANS TEMP SIG IN UNDERHOOD FUSE/RELAY CENTER VEHICLE CONTROL MODULE (VCM) (ENGINE COMPT, LEFT FRONT FENDER APRON) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI VSS LO YEL WIRE YEL/BLK WIRE

ABS FUSE ABS IND. BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH BRAKE SW OUTPUT BRAKE/ BRN WIRE DAYTIME RUNNING LAMPS CONTROL (LEFT SIDE OF DASH) DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT FRAME RAIL) HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START GAUGES FUSE 4 I/P FUSE BLOCK IGN ABS LAMP CONTROL BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LFT FRT SENSOR (-) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE PPL PPL/WHT WIRE PUMP MOTOR POWER PUMP MOTOR GROUND RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RT FRT SENSOR (-) LFT FRT SENSOR (+) RT FRT SENSOR (+) TAN WIRE TAN/WHT WIRE TCC STOPLAMP SWITCH (BRAKE PEDAL SUPPORT) UNDERHOOD FUSE-RELAY CENTER VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VEHICLE SPEED SIG VSS VSS SIG SERIAL DATA LINE SERIAL DATA SIGNAL BRAKE LAMP CONTROL EBCM GROUND WHT WIRE YEL WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID A/T ISS HI IN A/T ISS LO IN AUTO TRANSMISSION INPUT SHAFT SPEED SENSOR (INSIDE FRONT OF TRANSMISSION) AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRAKE FUSE 18 BRAKE SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) BRAKE SWITCH INPUT BRN WIRE BRN/WHT WIRE DATA CLASS II DK BLU WIRE ECM 1 FUSE ECM-B FUSE ECT SENS INPUT ENG 1 FUSE ENGINE COOLANT TEMP SENSOR (LEFT SIDE OR TOP FRONT OF ENGINE) GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HOT IN RUN, START OR OFF I/P FUSE BLOCK IGNITION IN INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL ORG/ WIRE PCM GROUND PCS SOL HI OUT PCS SOL LO OUT PNK (OR ORG) WIRE PNK WIRE PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "A" RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS RANGE PRESSURE SWITCH ASSEMBLY TRANS TEMP SIG IN UNDERHOOD FUSE/RELAY CENTER VEHICLE CONTROL MODULE (VCM) (ENGINE COMPT, LEFT FRONT FENDER APRON) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI VSS LO YEL WIRE YEL/BLK WIRE

ABS FUSE ABS IND. BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH BRAKE SW OUTPUT BRAKE/ BRN WIRE DAYTIME RUNNING LAMPS CONTROL (LEFT SIDE OF DASH) DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT FRAME RAIL) HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START GAUGES FUSE 4 I/P FUSE BLOCK IGN ABS LAMP CONTROL BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LFT FRT SENSOR (-) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE PPL PPL/WHT WIRE PUMP MOTOR POWER PUMP MOTOR GROUND RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RT FRT SENSOR (-) LFT FRT SENSOR (+) RT FRT SENSOR (+) TAN WIRE TAN/WHT WIRE TCC STOPLAMP SWITCH (BRAKE PEDAL SUPPORT) UNDERHOOD FUSE-RELAY CENTER VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VEHICLE SPEED SIG VSS VSS SIG SERIAL DATA LINE SERIAL DATA SIGNAL BRAKE LAMP CONTROL EBCM GROUND WHT WIRE YEL WIRE

ABS FUSE AMBULANCE AUX-A FUSE AUX-B FUSE AUXILIARY BATTERY AUXILIARY BLOWER MOTOR HIGH SPEED RELAY AUXILIARY BLOWER MOTOR LOW SPEED RELAY AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY BLOWER MOTOR LOW SPEED RELAY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLOWER FUSE BLOWER MOTOR RESISTOR BREAKOUT) BLOWER MOTOR RESISTOR/ RELAY BRAKE FUSE 18 BREAKOUT TO FRONT INTERIOR ROOF PANEL CONNECTOR) BRN WIRE CONNECTOR CONVENIENCE CENTER CRUISE CONTROL SWITCH CRUISE CONTROL MODULE (GASOLINE) CRUISE FUSE 6 DIESEL ELECTRONIC BRAKE CONTROL MODULE ENGINE HARN, NEAR BULKHEAD CONNECTOR) FROM BULKHEAD CONNECTOR) FUSIBLE LINK (10 GA- FUSIBLE LINK (10 GA-RUST) FUSIBLE LINK (24 GA- GASOLINE GENERATOR GLOWPLUG RELAY GRY WIRE HEATER AND A/C CONTROLLER HTR A/C FUSE 12 I/P FUSE BLOCK CRANK FUSE 8 WIPER FUSE 11 RADIO 1 FUSE 17 IGN A FUSE IGN B FUSE IGNITION SWITCH INLINE FUSE LOCK LOCK LOCK OFF OFF LOCK OFF NCA WIRE OFF ORG/ WIRE P/B BOOSTER FLUID FLOW ALARM PARK/ NEUTRAL POSITION SWITCH PASSENGER PNK WIRE PPL PWR WDO FUSE RADIO (UPFITTER PROVISION HARN, LEFT SIDE OF DASH) REAR AUXILIARY TEMPERATURE VALVE ASSEMBLY RED WIRE RIGHT FRONT POWER SIDE WINDOW SWITCH (LEFT KICK PANEL) RR BLOWER FUSE RR HVAC FUSE 24 RUN WIRE RUST) STARTER RELAY STARTER SOLENOID TCC/ STOPLAMP SWITCH ELECTRONIC BRAKE CONTROL MODULE TO TRANS FUSE (DIAGRAM 4 OF 4) TO UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 2 OF 4) TO UPFITTER PROVISION RELAY (DIAGRAM 1 OF 4) TRAILER WIRING PROVISION UNDERHOOD FUSE-RELAY CENTER UPFITTER PROVISION CONNECTOR UPFITTER PROVISION RELAY (BEHIND LEFT B PILLAR) VEHICLE CONTROL MODULE (GASOLINE) TEMPERATURE VALVE ACTUATOR MOTOR W/ REAR A/C W/ UPFITTER PROVISIONS WARNING WHT WIRE YEL WIRE

5-VOLT REFERENCE A/C COMPRESSOR ENABLE RELAY COIL A/C REQUEST SIG A/C SIGNAL AIR CONDITIONING SYSTEM BATTERY BATTERY TRANS PRESS SIG-BIT 2 TRANS PRESS SIG-BIT 1 BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE (FRONT OF ENGINE COMPARTMENT NEAR LEFT FENDER) CRUISE CTRL SIG-ENG DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DISTRIBUTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EGR VLV CTRL ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRAME RAIL NEAR CENTER OF VEHICLE) EST CONTROL SIGNAL EVO/PASSLOCK MODULE (CENTER OF DASH) FUEL PUMP RLY CTRL 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 FUSE-RELAY CENTER GRY WIRE HIGH VOLTAGE COIL WIRE HOT IN RUN I/P FUSE BLOCK IGNITION IGNITION COIL (TOP RIGHT SIDE OF ENGINE) IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENGINE) INTO RADIO BREAKOUT) LT BLU/BLK WIRE LT BLU/WHT WIRE ORG/ WIRE PNK 22 23 WIRE PNK IGNITION WIRE PNK PNK 1 2 3 4 5 6 7 8 9 WIRE PNK WIRE PPL PPL 420 PPL PPL 420 1807 BRAKE SWITCH INPUT SERIAL DATA RADIO RED WIRE RED/BLK WIRE SENSOR GROUND SERIAL DATA PPL SOLID STATE SPEED SENSOR INPUT STOPLAMP SWITCH INPUT TAN/WHT WIRE TCC SIGNAL VSS SIGNAL TCC/STOPLAMP SWITCH (BELOW CENTER OF DASH, NEAR BRAKE PEDAL LEVER) TRANS PRESS SIG-BIT 3 5 VOLTS REFERENCE SIGNAL INPUT TRANS. FORCE MTR FEED TRANS. FORCE MTR RTN GROUND GROUND SENSOR GROUND UNDERHOOD FUSE-RELAY CENTER VCM SIGNAL VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPARTMENT) VSS SIGNAL OUTPUT VSS SIGNAL OUTPUT MAL FUNC IND OUT 389 419 WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

18 19 20 21 22 23 PNK WIRE 5-VOLT REFERENCE A/C COMP CYCLING SW A/C COMPRESSOR ENABLE RELAY A/C REQUEST SIG AIR CONDITIONING SYSTEM AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY BATTERY RANGE SIG B RANGE SIG A BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE COIL CRUISE CONTROL MODULE (FRONT OF ENGINE COMPARTMENT NEAR LEFT FENDER) CRUISE CTRL SIG-ENG DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DISTRIBUTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EGR VALVE CTRL ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRAME RAIL NEAR CENTER OF VEHICLE) EVO/PASSLOCK CONTROL MODULE (CENTER OF DASH) FUEL PUMP RLY FEED 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 GRY WIRE HIGH VOLTAGE COIL WIRE HOT IN RUN I/P FUSE BLOCK IGNITION IGNITION COIL (TOP REAR OF ENGINE) IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENGINE) LT BLU/BLK WIRE LT BLU/WHT WIRE ORG/ WIRE PCS HIGH INPUIT SPEED SENS LOW INPUT SPEED SENS HIGH IC CNTRL PCS LOW GROUND GROUND SENSOR GROUND PNK IGNITION WIRE PNK PNK 1 2 3 4 5 6 7 8 9 10 11 WIRE PNK WIRE PPL PPL 420 PPL PNK WIRE PPL PPL 420 1807 BRAKE SWITCH INPUT SERIAL DATA RADIO RANGE SIG C 5 VOLTS REFERENCE FUEL LVL MODULE RED WIRE RED/BLK WIRE SENSOR GROUND SERIAL DATA SOLID STATE SPEED SENSOR INPUT VCM SIGNAL STOPLAMP SWITCH INPUT TAN/WHT WIRE TCC SIGNAL VSS SIGNAL TCC/STOPLAMP SWITCH (BELOW CENTER OF DASH, NEAR BRAKE PEDAL LEVER) UNDERHOOD FUSE-RELAY CENTER VEHICLE CONTROL MODULE (VCM) (LEFT SIDE OF ENGINE COMPARTMENT) VSS SIGNAL OUTPUT VSS SIGNAL OUTPUT MAL FUNC LP OUTPUT 389 419 WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

18 19 20 21 22 23 PNK WIRE 5-VOLT REFERENCE A/C COMP CYCLING SW A/C COMPRESSOR ENABLE RELAY A/C REQUEST SIG AIR CONDITIONING SYSTEM AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY BATTERY RANGE SIG B RANGE SIG A BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE COIL CRUISE CONTROL MODULE (FRONT OF ENGINE COMPARTMENT NEAR LEFT FENDER) CRUISE CTRL SIG-ENG DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DISTRIBUTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EGR VALVE CTRL ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRAME RAIL NEAR CENTER OF VEHICLE) EVO/PASSLOCK CONTROL MODULE (CENTER OF DASH) FUEL PUMP RLY FEED 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 GRY WIRE HIGH VOLTAGE COIL WIRE HOT IN RUN I/P FUSE BLOCK IGNITION IGNITION COIL (TOP REAR OF ENGINE) IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENGINE) LT BLU/BLK WIRE LT BLU/WHT WIRE ORG/ WIRE PCS HIGH INPUIT SPEED SENS LOW INPUT SPEED SENS HIGH IC CNTRL PCS LOW GROUND GROUND SENSOR GROUND PNK IGNITION WIRE PNK PNK 1 2 3 4 5 6 7 8 9 10 11 WIRE PNK WIRE PPL PPL 420 PPL PNK WIRE PPL PPL 420 1807 BRAKE SWITCH INPUT SERIAL DATA RADIO RANGE SIG C 5 VOLTS REFERENCE FUEL LVL MODULE RED WIRE RED/BLK WIRE SENSOR GROUND SERIAL DATA SOLID STATE SPEED SENSOR INPUT VCM SIGNAL STOPLAMP SWITCH INPUT TAN/WHT WIRE TCC SIGNAL VSS SIGNAL TCC/STOPLAMP SWITCH (BELOW CENTER OF DASH, NEAR BRAKE PEDAL LEVER) UNDERHOOD FUSE-RELAY CENTER VEHICLE CONTROL MODULE (VCM) (LEFT SIDE OF ENGINE COMPARTMENT) VSS SIGNAL OUTPUT VSS SIGNAL OUTPUT MAL FUNC LP OUTPUT 389 419 WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE