Chevrolet RV Cutaway G30 (1985-1994) ecm bat fuse Wiring diagrams

1-2 SHIFT SOL TCC SOL 2-3 SHIFT SOL ACCELERATOR PEDAL POSITION (APP) MODULE (TOP OF ACCE- LERATOR BRACKET) ALT FUSE APP #3 APP #3 SENSOR SIG APP 1 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (BELOW LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ECM BAT FUSE ECM CRANK FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION ENGINE COOLANT TEMPERATURE (ECT) SENSOR (RIGHT SIDE OF ENGINE) GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START HOT IN START OR RUN FUSE BLOCK TRANS FUSE IGNITION FEED DIAGNOSTIC REQUEST LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE PPL PPL APP #2 PPL APP #2 SENSOR SIG APP #1 SENSOR GROUND APP #3 SENSOR GROUND SENSOR GROUND PPL TCC/BRAKE SW VEHICLE SPEED SIG PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) TAN WIRE TAN/BLK WIRE TCC/ BRAKE SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TRANS FLUID TEMP (TFT) SENSOR TRANSFER CASE SWITCH VEHICLE SPEED SENSOR BUFFER MODULE (UNDER RIGHT END OF I/P) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ACC RADIO FUSE ACCY BATTERY JUNCTION BLOCK BLK WIRE BLK/ORG WIRE BRAKE WARNING SYSTEM (WARNING SYSTEMS) BRN WIRE BULB TEST CLUTCH DAYTIME RUNNING LAMPS BODY BUILDER'S JUNCTION RELAY BLOCK DAYTIME RUNNING LAMPS MODULE WIPER MOTOR DAYTIME RUNNING LAMPS RELAY ENGINE COOLANT LEVEL INDICATOR MODULE DK GRN WIRE ECM BAT FUSE FROM PANEL DIMMER SWITCH FROM PARK BRAKE WARNING SWITCH FUSE BLOCK FUSE BLOCK, GLOW PLUG CONTROLLER FUSIBLE FUSIBLE LINK E GAGES FUSE SHUNT GENERATOR GRY WIRE HAZARD FUEL PUMP OIL PRESSURE SWITCH FUEL PUMP RELAY FLASHER HEADLIGHT SWITCH ASSEMBLY HORN RELAY PROVISIONS FOR DOME LAMPS HTR FUSE IGNITION SWITCH INSTR LPS FUSE INSTRUMENT CLUSTER PRINTED CIRCUIT LINK A LINK B LINK C LINK D LINK F LOCK LOCK OFF OFF ORG/ WIRE PCM PNK WIRE POWERTRAIN CONTROL MODULE PPL RED WIRE RIGHT FRONT BATTERY LEFT REAR BATTERY RUN WIRE SHUNT STARTER RELAY STARTER SOLENOID STOP- HZ FUSE STOPLAMP SWITCH SWITCH TAIL LPS FUSE HORN/DM FUSE TAN/WHT WIRE TO GLOW PLUG CONTROLLER TRANSMISSION I/P RANGE CLUSTER INDICATOR LAMP W/ AUTO TRANSMISSION W/ MANUAL TRANSMISSION ONLY PPL WHT WIRE WIPER FUSE WIPER SWITCH

1 2 PPL 1-2 SHIFT SOLENIOD 2-3 SHIFT SOLENIOD 4.3L 5.7L AND 7.4L B/H CONN BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF SHIPPING PANEL) DK BLU WIRE DK GRN/WHT WIRE ECM BAT FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION FUEL PUMP AND SENDER (IN FUEL TANK) FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE) FUEL PUMP PRIME CONNECTOR (NO LOCATION AVAILABLE) FUEL PUMP RELAY (LOWER LEFT SIDE OF SHIPPING PANEL) FUSE BLOCK GRY WIRE HEATED OXYGEN SENSOR (IN EXHAUST MANIFOLD) HOT AT ALL TIMES LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SOLENOID TORQUE CONVERTER CLUTCH TRANS- MISSION TEMP SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (BEHIND RIGHT SIDE OF I/P) WHT/BLK WIRE YEL/BLK WIRE

AIR CONDITIONING SYSTEM BATTERY FEED FUEL PUMP SIGNAL IC REFERENCE LOW BLK WIRE BLK/RED WIRE BLK/WHT WIRE BRN/WHT WIRE CRANK SIGNAL ECT SIGNAL MAP SIGNAL CRNK FUSE ECM-CRNK FUSE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF SHIPPING PANEL) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BAT FUSE EGR CONTROL MALFUNCTION INDICATOR LAMP IGN ECM FUSED ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL PUMP RELAY FUSE BLOCK GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START HOT IN START IAC B LOW IAC B HIGH IAC A HIGH IAC A LOW IC CONTROL IC BYPASS OXYGEN SENSOR GROUND OXYGEN SENSOR SIGNAL IC REFERENCE HIGH IDLE AIR CONTROL ACTUATOR (TOP REAR OF ENGINE) INJ FUSE INJECTOR 2 CONTROL INJECTOR 1 CONTROL INJECTOR 1 CONTROL KNOCK SIGNAL A/C SIGNAL LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/WTH WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT GRN/WTH WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) PPL PPL/WHT WIRE RED WIRE SERIAL DATA DIAGNOSTIC TEST TERMINAL VSS SIGNAL SENSOR GROUND SYSTEM GROUND SYSTEM GROUND MAP SENSOR GROUND TAN WIRE TAN/BLK WIRE THROTTLE BODY FUEL INJECTOR #1 (TOP OF THROTTLE BODY UNIT) THROTTLE BODY FUEL INJECTOR #2 (TOP OF THROTTLE BODY UNIT) THROTTLE POSITION SENSOR (TOP RIGHT SIDE OF ENGINE) TP SIGNAL 5 VOLT REF INJECTOR 2 CONTROL BATTERY FEED WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 PPL 1-2 SHIFT SOLENIOD 2-3 SHIFT SOLENIOD 4.3L 5.7L AND 7.4L B/H CONN BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF SHIPPING PANEL) DK BLU WIRE DK GRN/WHT WIRE ECM BAT FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION FUEL PUMP AND SENDER (IN FUEL TANK) FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE) FUEL PUMP PRIME CONNECTOR (NO LOCATION AVAILABLE) FUEL PUMP RELAY (LOWER LEFT SIDE OF SHIPPING PANEL) FUSE BLOCK GRY WIRE HEATED OXYGEN SENSOR (IN EXHAUST MANIFOLD) HOT AT ALL TIMES LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SOLENOID TORQUE CONVERTER CLUTCH TRANS- MISSION TEMP SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (BEHIND RIGHT SIDE OF I/P) WHT/BLK WIRE YEL/BLK WIRE

AIR CONDITIONING SYSTEM BATTERY FEED FUEL PUMP SIGNAL IC REFERENCE LOW BLK WIRE BLK/RED WIRE BLK/WHT WIRE BRN/WHT WIRE CRANK SIGNAL ECT SIGNAL MAP SIGNAL CRNK FUSE ECM-CRNK FUSE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF SHIPPING PANEL) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BAT FUSE EGR CONTROL MALFUNCTION INDICATOR LAMP IGN ECM FUSED ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL PUMP RELAY FUSE BLOCK GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START HOT IN START IAC B LOW IAC B HIGH IAC A HIGH IAC A LOW IC CONTROL IC BYPASS OXYGEN SENSOR GROUND OXYGEN SENSOR SIGNAL IC REFERENCE HIGH IDLE AIR CONTROL ACTUATOR (TOP REAR OF ENGINE) INJ FUSE INJECTOR 2 CONTROL INJECTOR 1 CONTROL INJECTOR 1 CONTROL KNOCK SIGNAL A/C SIGNAL LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/WTH WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT GRN/WTH WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) PPL PPL/WHT WIRE RED WIRE SERIAL DATA DIAGNOSTIC TEST TERMINAL VSS SIGNAL SENSOR GROUND SYSTEM GROUND SYSTEM GROUND MAP SENSOR GROUND TAN WIRE TAN/BLK WIRE THROTTLE BODY FUEL INJECTOR #1 (TOP OF THROTTLE BODY UNIT) THROTTLE BODY FUEL INJECTOR #2 (TOP OF THROTTLE BODY UNIT) THROTTLE POSITION SENSOR (TOP RIGHT SIDE OF ENGINE) TP SIGNAL 5 VOLT REF INJECTOR 2 CONTROL BATTERY FEED WHT WIRE WHT/BLK WIRE YEL WIRE

"TRANS" LAMP 1-2 SHIFT SOL 2-3 SHIFT SOL TCC SOL 2-3 SHIFT SOL CTRL 1-2 SHIFT SOL CTRL DIAGNOSTIC TEST A/C INPUT BRAKE SIGNAL TCC CONTROL PPL AIR CONDI- TIONING SYSTEM AIR CONDITIONING SYSTEM B/H BATTERY FEED BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE/TRANS- MISSION SHIFT INTERLOCK RELAY (ON STEERING COLUMN) BRN WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECM BAT FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION ENGINE SPEED SENSOR (TOP REAR OF ENGINE) ENGINE SPEED SIGNAL SENSOR GROUND TP SENSOR INPUT FUSE BLOCK FUSIBLE LINK (20 GA- RUST) FUSIBLE LINK FUSIBLE LINKS GAGES FUSE GLOW PLUG CONTROLLER (LEFT SIDE OF ENGINE) GLOW PLUG WAIT LAMP GRN WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSIBLE LINK HOT IN CRANK HOT IN RUN, BULB TEST OR START HOT IN START OR RUN IGNITION SWITCH INPUTS INSTRUMENT CLUSTER (LEFT SIDE OF I/P) LEFT BANK GLOW PLUGS LT BLU/WHT WIRE LT GRN WIRE LT PPL ORG/ WIRE ORG/BLK WIRE PCS HI PCS LO IGNITION PNK RANGE SIGNAL A RANGE SIGNAL B RANGE SIGNAL C WIRE PNK WIRE PNK/BLK WIRE PPL PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE RIGHT BANK GLOW PLUGS SERVICE TRANS OUTPUT SERIAL DATA STARTER MOTOR (LOWER RIGHT REAR OF ENGINE) SYSTEM GROUND SYSTEM GROUND 452 416 SENSOR GROUND 5 VOLTS REF TAN WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) TRAN- SMISSION FLUID TEMP (TFT) SENSOR TRANS FLUID TEMP SIG MAP SENS TRANS FUSE ECM I FUSE TRANSMISSION CONTROL MODULE (TCM) (BELOW DRIVER SEAT) TRANSMISSION INPUT SPEED SENSOR (LEFT FRONT SIDE OF TRANSMISSION) VEHICLE SPEED INPUT TRANS INPUT SPD LO TRANS INPUT SPD HI VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT SIDE OF I/P) VEHICLE SPD OUTPUT VSS WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

"TRANS" LAMP 1-2 SHIFT SOL 2-3 SHIFT SOL TCC SOL 2-3 SHIFT SOL CTRL 1-2 SHIFT SOL CTRL DIAGNOSTIC TEST A/C INPUT BRAKE SIGNAL TCC CONTROL PPL ACCY AIR CONDI- TIONING SYSTEM ALT FUSE B/H BATTERY FEED BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BULB TEST COLD ADVANCE FAST IDLE TEMPERATURE SWITCH (RIGHT REAR OF ENGINE) COLD ADVANCE SOLENOID (TOP FRONT OF ENGINE) DATA LINK CONNECTOR (BEHIND LEFT SIDE SHIPPING DIODE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECM BAT FUSE ECM CRANK FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION ENGINE SPEED SIGNAL SENSOR GROUND TP SENSOR INPUT FAST IDLE SOLENOID (TOP LEFT SIDE OF ENGINE) FUEL HEATER (TOP REAR OF ENGINE) FUEL SHUT- OFF SOLENOID (TOP FRONT OF ENGINE) FUSE BLOCK FUSIBLE LINK (20 GA-RUST) FUSIBLE LINKS GLOW PLUG CONTROLLER (LEFT SIDE OF ENGINE) GLOW PLUG WAIT LAMP GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSIBLE LINK HOT IN CRANK HOT IN RUN, BULB TEST OR START INPUTS INSTRUMENT CLUSTER LEFT BANK GLOW PLUGS LOCK OFF LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PANEL) PCS HI PCS LO IGNITION PNK RANGE SIGNAL A RANGE SIGNAL B RANGE SIGNAL C WIRE PNK WIRE PNK/BLK WIRE PPL PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE RIGHT BANK GLOW PLUGS RUN WIRE SERVICE TRANS OUTPUT SERIAL DATA SYSTEM GROUND SYSTEM GROUND 452 416 SENSOR GROUND 5 VOLTS REF TAN/BLK WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) TRAN- SMISSION FLUID TEMP (TFT) SENSOR TRANS FLUID TEMP SIG MAP SENS TRANS FUSE TRANSMISSION CONTROL MODULE (TCM) (BEHIND LEFT SIDE OF SHIPPING PANEL) TRANSMISSION INPUT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VEHICLE SPEED INPUT TRANS INPUT SPD LO TRANS INPUT SPD HI VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT SIDE OF I/P) VEHICLE SPD OUTPUT VSS WATER IN FUEL INDICATOR WATER-IN FUEL SENSOR (TOP REAR OF ENGINE) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

1 2 PPL 1-2 SHIFT SOLENIOD 2-3 SHIFT SOLENIOD 4.3L 5.7L AND 7.4L B/H CONN BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF SHIPPING PANEL) DK BLU WIRE DK GRN/WHT WIRE ECM BAT FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION FUEL PUMP AND SENDER (IN FUEL TANK) FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE) FUEL PUMP PRIME CONNECTOR (NO LOCATION AVAILABLE) FUEL PUMP RELAY (LOWER LEFT SIDE OF SHIPPING PANEL) FUSE BLOCK GRY WIRE HEATED OXYGEN SENSOR (IN EXHAUST MANIFOLD) HOT AT ALL TIMES LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SOLENOID TORQUE CONVERTER CLUTCH TRANS- MISSION TEMP SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (BEHIND RIGHT SIDE OF I/P) WHT/BLK WIRE YEL/BLK WIRE

5.7L 7.4L 7.4L ONLY AIR CONDITION- ING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE DIAGNOSTIC TEST TP SENSOR SIGNAL INJECTOR 1 CONTROL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ECM BAT FUSE ECM I FUSE ECT SIGNAL EGR CONTROL EVAPORATIVE CANISTER PURGE CONTROL SOLENOID (TOP RIGHT SIDE OF ENGINE) EXHAUST GAS RECIRCULATION VALVE SOLENOID (TOP RIGHT SIDE OF ENGINE) FUEL PUMP RELAY CTRL PCS LOW FUEL PUMP SIGNAL MAP SIGNAL FUSE BLOCK GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IC BYPASS SENSOR GROUND SENSOR GROUND TFT SIGNAL 470 455 PPL IDLE AIR CONTROL ACTUATOR (TOP REAR OF ENGINE) IDLE SPEED ACTUATOR CONTROL SOLENOID (NO LOCATION AVAILABLE) KNOCK SIGNAL EGR PINTLE POSITION SIGNAL LINEAR EGR VACUUM REGULATOR SOLENOID VALVE (TOP FRONT OF ENGINE) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) OXYGEN SENSOR GROUND PNK 22 23 WIRE PNK RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) PPL PPL 20 21 PPL/WHT WIRE RANGE SIGNAL B RANGE SIGNAL C MIL CONTROL RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE BODY FUEL INJECTOR #1 (TOP OF THROTTLE BODY UNIT) THROTTLE BODY FUEL INJECTOR #2 (TOP OF THROTTLE BODY UNIT) TRANSMISSION INPUT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE