Chevrolet Chevy Van G30 (1985-1994) auxiliary fuse block Wiring diagrams

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE

3 121 PNK WIRE ACCY AUXILIARY FUSE BLOCK BLK WIRE BLK/RED WIRE BLK/YEL WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE BULB TEST DISTRIBUTOR (CENTER REAR OF ENGINE) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (ON INTAKE MANIFOLD) FUSE BLOCK GAGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START IGNITION COIL (TOP RIGHT REAR OF ENGINE) IGNITION SWITCH INSTRUMENT CLUSTER KNOCK SENSOR (LEFT REAR OF ENGINE, NEAR OIL PRESSURE SENDER) LOCK OFF LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION (SERVICE ENGINE SOON) INDICATOR MANIFOLD ABSOLUTE PRESSURE SENSOR (ABOVE VALVE COVER) NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL 1 2 3 4 PPL 21 22 PPL 3 4 PPL/WHT WIRE RED WIRE RED/BLK WIRE RUN WIRE TACHOMETER TEST LEAD TAN/BLK WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENIOD 2-3 SHIFT SOLENIOD 3-2 SHIFT SOLENOID 4.3L ALL EXCEPT 4.3L AUXILIARY FUSE BLOCK B/H CONN BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF I/P) DK BLU WIRE DK GRN/WHT WIRE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION FUEL PUMP AND SENDER FUEL PUMP FUSE FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE) FUEL PUMP PRIME CONNECTOR (NO LOCATION AVAILABLE) FUEL PUMP RELAY (RIGHT FRONT OF COWL, ABOVE BLOWER MOTOR) FUSE BLOCK TRANS FUSE GRY WIRE HEATED OXYGEN SENSOR (4.3L ONLY) (IN EXHAUST Y-PIPE) HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) PNK WIRE PNK/BLK WIRE PPL PPL 3 4 PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SOLENOID TAN/BLK WIRE TORQUE CONVERTER CLUTCH TRANS- MISSION TEMP SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

3 121 PNK WIRE ACCY AUXILIARY FUSE BLOCK BLK WIRE BLK/RED WIRE BLK/YEL WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE BULB TEST DISTRIBUTOR (CENTER REAR OF ENGINE) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (ON INTAKE MANIFOLD) FUSE BLOCK GAGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START IGNITION COIL (TOP RIGHT REAR OF ENGINE) IGNITION SWITCH INSTRUMENT CLUSTER KNOCK SENSOR (LEFT REAR OF ENGINE, NEAR OIL PRESSURE SENDER) LOCK OFF LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION (SERVICE ENGINE SOON) INDICATOR MANIFOLD ABSOLUTE PRESSURE SENSOR (ABOVE VALVE COVER) NCA WIRE ORG/BLK WIRE PNK PPL 23 24 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL 21 22 PPL 3 4 PPL/WHT WIRE RED WIRE RED/BLK WIRE RUN WIRE TACHOMETER TEST LEAD TAN/BLK WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENIOD 2-3 SHIFT SOLENIOD 7.4L ONLY AUXILIARY FUSE BLOCK B/H CONN BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF I/P) DK BLU WIRE DK GRN/WHT WIRE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION FUEL PUMP AND SENDER FUEL PUMP FUSE FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE) FUEL PUMP PRIME CONNECTOR (NO LOCATION AVAILABLE) FUEL PUMP RELAY (RIGHT FRONT OF COWL, ABOVE BLOWER MOTOR) FUSE BLOCK TRANS FUSE GOVERNOR CONTROL MODULE (LEFT TOP FRONT OF ENGINE) GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IN-LINE FUSE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 3 4 PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SOLENOID TAN/WHT WIRE THROTTLE BODY GOVERNOR (LEFT SIDE OF THROTTLE BODY) TORQUE CONVERTER CLUTCH TRANS- MISSION TEMP SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3 121 PNK WIRE ACCY AUXILIARY FUSE BLOCK BLK WIRE BLK/RED WIRE BLK/YEL WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE BULB TEST DISTRIBUTOR (CENTER REAR OF ENGINE) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (ON INTAKE MANIFOLD) FUSE BLOCK GAGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START IGNITION COIL (TOP RIGHT REAR OF ENGINE) IGNITION SWITCH INSTRUMENT CLUSTER KNOCK SENSOR (LEFT REAR OF ENGINE, NEAR OIL PRESSURE SENDER) LOCK OFF LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION (SERVICE ENGINE SOON) INDICATOR MANIFOLD ABSOLUTE PRESSURE SENSOR (ABOVE VALVE COVER) NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL 1 2 3 4 PPL 21 22 PPL 3 4 PPL/WHT WIRE RED WIRE RED/BLK WIRE RUN WIRE TACHOMETER TEST LEAD TAN/BLK WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENIOD 2-3 SHIFT SOLENIOD 3-2 SHIFT SOLENOID 4.3L ALL EXCEPT 4.3L AUXILIARY FUSE BLOCK B/H CONN BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF I/P) DK BLU WIRE DK GRN/WHT WIRE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION FUEL PUMP AND SENDER FUEL PUMP FUSE FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE) FUEL PUMP PRIME CONNECTOR (NO LOCATION AVAILABLE) FUEL PUMP RELAY (RIGHT FRONT OF COWL, ABOVE BLOWER MOTOR) FUSE BLOCK TRANS FUSE GRY WIRE HEATED OXYGEN SENSOR (4.3L ONLY) (IN EXHAUST Y-PIPE) HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) PNK WIRE PNK/BLK WIRE PPL PPL 3 4 PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SOLENOID TAN/BLK WIRE TORQUE CONVERTER CLUTCH TRANS- MISSION TEMP SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE