Chevrolet Forward Control P30 (1985-1999) lt blu Wiring diagrams

1-2 SHIFT SOL 2-3 SHIFT SOL ALT FUSE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN/YEL WIRE ECM BAT FUSE ECM I FUSE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT OF ENGINE) GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF DRIVER'S ISLAND) PPL PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SERVICE ENGINE SOON SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) TAN WIRE TCC PWM SOL TCC/BRAKE SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (RIGHT SIDE OF TBI) TRANS FLUID TEMP (TFT) SENSOR TRANS FUSE TRANSMISSION TRANSMISSION INPUT SHAFT SPEED SENSOR (FRONT OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 2-3 SHIFT SOL ALT FUSE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM BAT FUSE ECM-CRNK FUSE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT OF ENGINE) GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF DRIVER'S ISLAND) PPL PPL PNK WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SERVICE ENGINE SOON SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) TAN WIRE TCC PWM SOL TCC/BRAKE SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (RIGHT SIDE OF TBI) TRANS FLUID TEMP (TFT) SENSOR TRANS FUSE TRANSMISSION TRANSMISSION INPUT SHAFT SPEED SENSOR (FRONT OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 SHIFT SOL 3-2 SHIFT SOLENOID A/C COMPRESSOR RELAY, GENERATOR, TURBO CHARGER POWER VALVE A/T INPUT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) A/T ISS SENS HI IN A/T ISS SENS LO IN ACCELERATOR PEDAL POSITION MODULE (ATTACHED TO ACCELERATOR PEDAL) APP 1 SIGNAL IN APP 2 SIGNAL IN APP 3 SIGNAL IN AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE SWITCH IN BRN WIRE BRN/WHT WIRE BUSS BAR CLASS II DATA DATA LINK CONNECTOR (PARTIAL) (BELOW DASH, NEAR STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECM 1 FUSE 12 ECM-BAT FUSE 6 ECT SENSOR IN ELECTRONIC BRAKE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL PUMP RELAY, FUEL PUMP SWITCH/ENGINE OIL PRESSURE INDICATOR SENSOR GAUGES FUSE 8 GRY WIRE HAZARD LAMPS FLASHER (ABOVE STEERING COLUMN) HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I-3 FUSE 9 I/P FUSE BLOCK IGNITION IN INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL CONTROL ORG/ WIRE PCM GROUND PCS SOL HI OUT PCS SOL LO OUT PNK INSTRUMENT CLUSTER WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF DRIVER'S ISLAND) PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE SENSOR GROUND SERVICE ENGINE SOON INDICATOR STOP-HAZ FUSE 11 STOPLAMP SWITCH IN TFT SENSOR IN TORQUE CONVERTER CLUTCH BRAKE, STOPLAMP SWITCH TRANS FLUID TEMP SENSOR TRANS RANGE "A" TRANS RANGE "B" TRANS RANGE "C" TRANS RANGE PRESSURE SWITCH ASSEMBLY TRANSMISSION FUSE 17 TWISTED WIRE PAIR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR CALIBRATOR (ABOVE ACCELERATOR PEDAL) VEHICLE SPEED SENSOR CALIBRATOR, ENGINE SHUTOFF SOLENOID VSS HI IN VSS LO IN VSS OUT YEL WIRE YEL/BLK WIRE

A/C COMPRESSOR A/C HIGH PRESSURE CUTOUT SWITCH (NEAR COMPRESSOR) A/C HIGH PRESSURE CUTOUT SWITCH (ON COMPRESSOR) A/C SIGNAL BLK WIRE BLOWER MOTOR BLOWER MOTOR RESISTOR (ENGINE COMPARTMENT, ON BLOWER HOUSING) BLOWER SWITCH BRN WIRE DEF BLEND DIODE DK BLU WIRE DK GRN WIRE FUSE BLOCK FUSIBLE LINK HEAT VENT B/L HIGH BLOWER RELAY (ON EVAPORATOR HOUSING) HOT AT ALL TIMES HOT IN RUN HTR A/C FUSE LO LO HI LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF MAX NORM ORG/ WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL RED WIRE SELECTOR CONTROL TAN WIRE YEL WIRE

BACKUP LAMP SWITCH (ON STEERING COLUMN) BLK WIRE BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE FUSE BLOCK- I/P G# N/A (REAR LAMPS HARNESS) GRN WIRE HAZARD HAZARD FLASHER (TOP LEFT SIDE OF SHIPPING PANEL) HEAD OFF HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT MARKER LAMP LEFT LICENSE LAMP RIGHT LICENSE LAMP LEFT TAIL/STOP TURN LAMP LEFT TURN INDICATOR LT BLU WIRE LT LT NORMAL ORG/ WIRE PARK PPL PROVISIONS FOR BODY BUILDER ADDED LAMPS PROVISIONS FOR REAR MARKER LAMPS RIGHT BACKUP LAMP LEFT BACKUP LAMP RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN LAMP LEFT FRONT PARK/ TURN LAMP RIGHT TAIL/STOP TURN LAMP RIGHT TURN INDICATOR STOP/ HAZ FUSE STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT) TAIL LPS FUSE TURN LEFT TURN RIGHT TURN SIGNAL FLASHER TURN-B/U FUSE TURN/HAZARD SWITCH (UPPER LEFT SIDE OF STEERING COLUMN) WHT WIRE YEL WIRE

BLK WIRE CONTROL AREA DELAY/ SPEED/ WASH CONTROL FUSE BLOCK FUSIBLE LINK GRY WIRE HOT IN ACCY OR RUN I/P GROUND (IN I/P HARNESS) IGN LT BLU WIRE MIST OFF ORG/ WIRE PARK SWITCH PNK WIRE PPL PULSE WASH PULSE SWITCH WHT WIRE WINDSHIELD WASHER PUMP WINDSHIELD WIPER MOTOR MODULE WINDSHIELD WIPER/ WASHER SWITCH WIPER FUSE

BLK WIRE DAYTIME RUNNING LAMPS CONTROL MODULE (ATTACHED TO I/P HARNESS) DAYTIME RUNNING LAMPS RELAY (LEFT SIDE OF DASH, ON RELAY BRACKET) DIODE NETWORK (ON I/P HARNESS) DK BLU WIRE DK GRN/WHT WIRE DRL INDICATOR FUSE BLOCK BREAKOUT) FUSIBLE LINK (16 GA- GAUGES FUSE 8 GRN WIRE HEADLAMP DIMMER SWITCH HEADLAMPS SWITCH OFF HI BEAM INDICATOR HI LO HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IGNITION SWITCH INSTRUMENT CLUSTER LEFT HEAD- LAMP LO HI LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT ORG/ WIRE PARK BRAKE IN FOG LAMPS PARK BRAKE INDICATOR SWITCH (ON PARK BRAKE LEVER) PARK HEAD PNK IGNITION LAMP FEED HI BM INPUT HI BM INDICATOR RELAY CONTROL GROUND WIRE PNK WIRE RED WIRE RIGHT HEAD- LAMP RUN WIRE TAN WIRE WHT WIRE YEL WIRE

BLOWER MOTOR BLOWER RESISTOR (ENGINE COMPARTMENT, ON BLOWER HOUSING) BRN WIRE FUSE BLOCK HEATER BLOWER SWITCH HOT IN RUN HTR A/C FUSE LO MED LT BLU WIRE OFF HI ORG/ WIRE YEL WIRE

BLK WIRE FUSE BLOCK GRY WIRE HI LO HOT IN ACCY OR RUN LT BLU WIRE MIST OFF PNK WIRE PPL PROVISIONS FOR WIPER/WASHER MODULE PULSE PULSE WIPER/ WASHER SWITCH WASH PULSE WHT WIRE WIPER FUSE WIPER MOTOR CONNECTOR

ACCY ALT FUSE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BULB TEST DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK GRN/WHT WIRE EGR SOLENOID (TOP RIGHT SIDE OF ENGINE) ENGINE GROUND FUEL PUMP AND SENDER (IN FUEL TANK) FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE) FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY (LOWER LEFT SIDE OF SHIPPING PANEL) FUSE BLOCK GRY WIRE HEATED OXYGEN SENSOR (IN EXHAUST MANIFOLD) HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IGNITION COIL (TOP OF ENGINE NEAR DISTRIBUTOR) IGNITION SWITCH INSTRUMENT CLUSTER KNOCK SENSOR (RIGHT SIDE OF ENGINE) LOCK OFF LT BLU WIRE LT GRN/YEL WIRE MALFUNCTION (SERVICE ENGINE SOON) INDICATOR NCA WIRE ORG/ WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL 3 4 PPL/WHT WIRE PROVISIONS FOR TACHOMETER RED WIRE RUN WIRE TAN/BLK WIRE VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (BEHIND RIGHT SIDE OF I/P) WHT WIRE