Chevrolet Chevy Van G30 (1985-1994) lt blu/blk Wiring diagrams

This page contains all the electrical diagrams for the component. lt blu/blk, in which he is found in the car Chevrolet Chevy Van G30 (1985-1994). 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..

lt blu/blk wiring diagram (11 of 23)

AIR BAG IND AUDIO ALARM MODULE (RIGHT SIDE OF I/P) BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (REAR OF ENGINE COMPT) BRAKE IND BRN WIRE BRN/WHT WIRE COOLANT TEMP COOLANT TEMP GAUGE DAYTIME RUNNING LAMPS MODULE (LEFT SIDE OF I/P) DAYTIME RUNNING LIGHTS IND DIAGNOSTIC ENERGY RESERVE MODULE (CENTER OF I/P) DIESEL DIESEL ONLY DIODE ARRAY MODULE (LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE ENGINE COOLANT LEVEL INDICATOR MODULE (LEFT SIDE OF I/P) ENGINE COOLANT LEVEL SENSOR (RIGHT REAR OF RADIATOR) ENGINE COOLANT TEMPERATURE SENDER (REAR OF ENGINE) FASTEN BELTS IND. FOUR WHEEL ANTILOCK BRAKE MODULE (RIGHT DOOR SILL) FUEL GAUGE FUEL LEVEL FUEL PUMP AND SENDER (PART OF FUEL TANK) FUEL TANK SENDER (PART OF FUEL TANK) FUSE BLOCK GASOLINE GASOLINE ONLY W/ DAYTIME RUNNING LAMPS (CANADA ONLY) GAUGES FUSE GRY WIRE HEADLIGHTS SYSTEM HI BEAM IND. LEFT TURN IND. HOT IN START OR RUN HOT W/ LAMP SWITCH IN PARK OR HEAD IGN IGNITION SWITCH ILLUM ILLUM. LAMPS INSTRUMENT CLUSTER LOW COOLANT IND. (DIESEL) LPS FUSE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAL- FUNCTION IND NCA WIRE OIL PRESS GAUGE OIL PRESS. SIGNAL OIL PRESSURE SENDER (FRONT OF ENGINE) OIL PRESSURE SWITCH/FUEL PUMP SWITCH (FRONT OF ENGINE) PARK BRAKE SWITCH PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF I/P) PPL PPL PNK WIRE PPL/WHT WIRE RIGHT TURN IND SOLID STATE SPEED- OMETER TAN WIRE TAN/WHT WIRE VEHICLE SPEED VEHICLE SPEED SENSOR (ATTACHED TO REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER MODULE (RIGHT SIDE OF I/P) VOLT- METER W/O DAYTIME RUNNING LAMPS WHT WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Instrument cluster circuit -> LT BLU/BLK WIRE

lt blu/blk wiring diagram (12 of 23)

*A5-4.3L(M/T), 5.7L(M/T) E6-4.3L(A/T), 5.7L(A/T), 7.4L ACCY ALARM (IN HYDRO- BOOST WARNING HARNESS) ALT FUSE GAUGES FUSE BLK WIRE BLK/ORG WIRE BRAKE FLUID LEVEL SWITCH (REAR OF ENGINE COMPT) BRN/WHT WIRE BULB TEST COOLANT TEMP COOLANT TEMP GAUGE DAYTIME RUNNING LAMPS MODULE DAYTIME RUNNING LAMPS RELAY DAYTIME RUNNING LIGHTS IND DIESEL DIESEL ONLY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT LEVEL INDICATOR MODULE ENGINE COOLANT LEVEL INDICATOR PROBE (IN RADIATOR) (FRONT OF ENGINE) ENGINE COOLANT TEMPERATURE SENDER (LEFT SIDE OF ENGINE) FASTEN BELTS IND. FLASHER UNIT (IN HYDRO- BOOST WARNING HARNESS) FUEL GAUGE FUEL LEVEL FUEL PUMP, SENDER (TOP REAR OF ENGINE) FUEL PUMP/ OIL PRESSURE SWITCH, SENDER (LEFT SIDE OF ENGINE) FUSE BLOCK FUSIBLE LINK GLOW PLUG CONTROLLER (REAR OF ENGINE) GLOW PLUGS IND. (DIESEL) GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HI-BEAM IND HOT IN RUN HOT IN RUN, BULB TEST OR START HOT W/ LAMP SWITCH IN PARK OR HEAD HYDRO- BOOST PRESSURE WARNING SWITCH FLOW SWITCH (AT POWER BRAKE BOOSTER MODULE) I/P GROUND (IN I/P HARNESS) IGN IGNITION SWITCH ILLUM ILLUM. LAMPS INSTR LPS FUSE INSTRUMENT CLUSTER LEFT TURN IND LOW COOLANT IND. (DIESEL) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAL- FUNCTION IND OIL PRESS GAUGE OIL PRESS. SIGNAL ORG/ WIRE PARK BRAKE IND PARK BRAKE SWITCH DAYTIME RUNNING LAMPS MODULE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) RIGHT TURN IND RUN WIRE SERVICE BRAKES IND. SERVICE TRANS- MISSION IND. SOLID STATE SPEED- OMETER TAN WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) VEHICLE SPEED VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER MODULE (RIGHT SIDE OF I/P) VOLT- METER W/ DRL W/ DRL AUDIO ALARM MODULE (CONVENIENCE CENTER) W/ DRL LOCK OFF W/O DRL WATER IN FUEL IND. (DIESEL) WATER-IN-FUEL SENSOR (REAR OF ENGINE) WHT WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Instrument cluster circuit, commercial chassis -> LT BLU/BLK WIRE

lt blu/blk wiring diagram (14 of 23)

4.3L AND 5.7L 4.3L AND 5.7L ONLY 5.7L HD ONLY 452 455 PPL 5.7L HD 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 CRUISE CONTROL SYSTEM CRUISE SIGNAL 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 I FUSE ECM B FUSE ECT SIGNAL EGR CONTROL GOVERNOR CONTROL EGR ELECTONIC VACUUM REGULATOR SOLENIOD VALVE (TOP RIGHT SIDE OF ENGINE) EVAPORATIVE CANISTER PURGE CONTROL SOLENOID (TOP RIGHT FRONT 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 IDLE AIR CONTROL UNIT (RIGHT SIDE OF THROTTLE BODY) IDLE SPEED ACTUATOR CONTROL SOLENOID (NO LOCATION AVAILABLE) KNOCK SIGNAL EGR PINTLE POSITION SIGNAL LINEAR EGR VACUUM REGULATOR SOLENOID VALVE (ABOVE RIGHT ROCKER COVER) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) OXYGEN SENSOR GROUND PNK 23 24 PPL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (UNDER DRIVER'S SEAT) PPL PPL 21 22 PPL/WHT WIRE RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW 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) TRANS FUSE TRANSMISSION INPUT SPEED SENSOR (NO LOCATION) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 5.7l (vin k)s, 4l80e a/t (1 of 3) -> LT BLU/BLK WIRE

lt blu/blk wiring diagram (15 of 23)

4.3L 5.7L 5.7L ONLY 4.3L ONLY 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 CRUISE CONTROL SYSTEM CRUISE SIGNAL 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 CRNK FUSE EGR CONTROL GOVERNOR CONTROL EGR ELECTONIC VACUUM REGULATOR SOLENIOD VALVE (TOP RIGHT FRONT OF ENGINE) 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 IDLE AIR CONTROL ACTUATOR (TOP REAR OF ENGINE) IDLE SPEED ACTUATOR CONTROL SOLENOID (NO LOCATION AVAILABLE) INJ FUSE KNOCK SENSOR INPUT ECT SIGNAL 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 ORG/ WIRE OXYGEN SENSOR GROUND PNK 26 27 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) PPL PPL 24 25 PPL/WHT WIRE RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW RANGE SIGNAL B RANGE SIGNAL C MIL CONTROL RED WIRE RED/BLK WIRE 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) TRANSMISSION INPUT SPEED SENSOR (NO LOCATION) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 5.7l (vin k)s, a/t commercial chassis and motorhome (1 of 3) -> LT BLU/BLK WIRE

lt blu/blk wiring diagram (16 of 23)

Go to component -> Wiring diagram engine performance 5.7l (vin k)s, a/t p/g cutaway (1 of 3) -> LT BLU/BLK WIRE

lt blu/blk wiring diagram (17 of 23)

Go to component -> Wiring diagram engine performance 5.7l (vin k)s, m/t commercial chassis (1 of 2) -> LT BLU/BLK WIRE

lt blu/blk wiring diagram (18 of 23)

1-2 SHIFT SOL 2-3 SHIFT SOL 3-2 SHIFT SOL 2-3 SHIFT SOL CTRL FUEL INJ CTRL EGR SOL CTRL ENG SHUT-OFF CTRL 4 WHEEL DRIVE LOW SWITCH 983 474 PPL 999 998 961 452 PPL ACCELERATOR PEDAL POSITION (APP) MODULE (TOP OF ACCELERATOR BRACKET) ANTI-LOCK BRAKES SYSTEM APP 2 SENSOR APP 3 SENSOR B/H BATTERY FEED FWD LOW SW BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CKP SIG OPTICAL SENS GND OPTICAL SENS CAM SIG CRUISE CONTROL SYSTEM CRUISE ON/OFF SIG DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECMB FUSE ECT SIG TRANS FLUID TEMP SIG ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION ENGINE SHUT- OFF SOLENOID (TOP FRONT OF ENGINE) F/PMP FUSE FUEL INJ CTRL FUEL SOLENOID (TOP FRONT OF ENGINE) FUEL SOLENOID DRIVER (TOP FRONT FUSE BLOCK GLOW PLUG RLY CTRL SERIAL DATA TRANS OUTPUT SPD SIG GRY WIRE GRY/BLK WIRE HI RESOLUTION SIG HOT AT ALL TIMES HOT IN START OR RUN LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL TCC SOL CTRL 1-2 SHIFT SOL CTRL RANGE SIGNAL A RANGE SIGNAL B RANGE SIGNAL C OF ENGINE) OPTICAL SENSOR AND FUEL TEMPER- ATURE SENSOR (TOP FRONT OF ENGINE) ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER RIGHT END OF I/P) PPL PPL PPL 9 10 PPL/WHT WIRE PRESS CTRL SOL PRESS CTRL SOL (LO) PRESSURE CONTROL SOL RANGE MODE SELECTOR RED WIRE RED/BLK WIRE RESUME/ACCEL SIG SET/COAST SIG SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) SYSTEM GND CLOSURE SIG APP 2 SENS GND APP 1 SENS GND APP 3 SENS GND SENSOR GND SYSTEM GND FUEL INJ SIG APP SENS 2 SIG APP SENS 1 SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC BRAKE SW TCC SOL TRANS FLUID TEMP (TFT) SENSOR TRANS FUSE TRANS OUTPUT VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT END OF I/P) VSS VSS INPUT VSS OUTPUT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 6.5l (vin p)s (1 of 2) -> LT BLU/BLK WIRE

lt blu/blk wiring diagram (19 of 23)

4.3L 5.7L 5.7L ONLY 4.3L ONLY 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 CRUISE CONTROL SYSTEM CRUISE SIGNAL 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 CRNK FUSE EGR CONTROL GOVERNOR CONTROL EGR ELECTONIC VACUUM REGULATOR SOLENIOD VALVE (TOP RIGHT FRONT OF ENGINE) 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 IDLE AIR CONTROL ACTUATOR (TOP REAR OF ENGINE) IDLE SPEED ACTUATOR CONTROL SOLENOID (NO LOCATION AVAILABLE) INJ FUSE KNOCK SENSOR INPUT ECT SIGNAL 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 ORG/ WIRE OXYGEN SENSOR GROUND PNK 26 27 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) PPL PPL 24 25 PPL/WHT WIRE RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW RANGE SIGNAL B RANGE SIGNAL C MIL CONTROL RED WIRE RED/BLK WIRE 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) TRANSMISSION INPUT SPEED SENSOR (NO LOCATION) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Wiring diagram engine performance 7.4l (vin n)s, a/t commercial chassis and motorhome (1 of 3) -> LT BLU/BLK WIRE

lt blu/blk wiring diagram (20 of 23)

Go to component -> Wiring diagram engine performance 7.4l (vin n)s, a/t p/g cutaway (1 of 3) -> LT BLU/BLK WIRE

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