Chevrolet Corvette C4 (1984-1998) gry/blk Wiring diagrams

1381 1382 LCD DISPLAY FEED CONTROL BUTTON LED ILLUMINATION GROUND 1995 VFTC A/C BLOWER FUSE 4 A/C CLUTCH FUSE 18 A/C MDL FUSE 1 A/C PROG FUSE 43 BLK WIRE BLOWER MOTOR BLOWER MOTOR CONTROL MODULE (RIGHT REAR OF ENGINE COMPARTMENT) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN HVAC CONTROL HEAD HVAC PROGRAMMER (BELOW LEFT SIDE OF I/P, RIGHT OF STEERING COLUMN) I/P FUSE BLOCK INSIDE AIR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF I/P) LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MIX VALVE FEEDBK SUN LOAD SENSOR INSIDE TEMP SENSOR OUTSIDE TEMP SENSOR NCA WIRE ORG/ WIRE OUTSIDE TEMPERATURE SENSOR (IN RIGHT RADIATOR SHROUD) PPL PPL/WHT WIRE REAR DEFOGGER SYSTEM RED WIRE SOLAR SENSOR (TOP CENTER OF I/P) TAN WIRE TEMPERATURE DOOR MOTOR (BEHIND RIGHT SIDE OF I/P, ON BOTTOM HEATER CASE) UNDERHOOD FUSE BLOCK 1 YEL WIRE

4 5 PPL ABS/ASR ECU FUSE 3 ADJUSTER ASSEMBLY- THROTTLE, CRUISE CONTROL CABLES (LEFT REAR ENGINE COMPT) ASV SOLENOID BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE HYDRAULIC FUSE 8 BRAKE PRESSURE MODULATOR VALVE (BPMV) BRAKE SWITCH INPUT UART DATA LINE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE/TRACTION CONTROL MODULE (EBTCM) (LEFT CARGO COMPT) ENG 2 FUSE 21 GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (FAR RIGHT SIDE OF I/P) IGN LATERAL ACCELEROMETER (BEHIND CENTER I/P) LEFT FRONT INLET SOLENOID VALVE LEFT FRONT OUTLET SOLENOID VALVE LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LEFT REAR INLET SOLENOID VALVE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK WIRE PPL/WHT WIRE PUMP MOTOR PUMP MOTOR RELAY RED WIRE RIGHT FRONT INLET SOLENOID VALVE RIGHT FRONT OUTLET SOLENOID VALVE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR INLET SOLENOID VALVE RIGHT REAR OUTLET SOLENOID VALVE RIGHT REAR WHEEL SPEED SENSOR SENSOR GROUND SERVICE ABS IND CTRL SHORTING BAR- JUMPERS BETWEEN PINS 15, 40 WHEN EBTCM CONNECTOR IS REMOVED SOLENOID VALVE CONTROLS LEFT REAR OUTLET SOLENOID VALVE TACH INPUT (ENGINE RPM) ASR OFF IND CTRL PPL TAN WIRE TRACTION CONTROL SWITCH SIGNAL LATERAL ACCELEROMETER SUPPLY UNDERHOOD FUSE BLOCK 1 (LEFT REAR OF ENGINE COMPT) USV SOLENOID VALVE RELAY WHT WIRE YEL WIRE

4 5 PPL ABS ACTIVE IND. ASR ACTIVE IND. ASR OFF IND. BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE LAMP CAPACITOR BRAKE SWITCH ASSEMBLY (MOUNTED TO TOP OF BRAKE PEDAL) BRN/WHT WIRE CLUSTER FUSE 27 5 AMP CONTROL MODULE (LEFT REAR OF ENGINE COMPT) CRUISE CONTROL CUT-OFF RELAY (LEFT OF STEERING COLUMN) CRUISE CONTROL SYSTEM CRUISE FUSE 32 10 AMP DATA LINK CONNECTOR (RIGHT OF STEERING COLUMN) DK BLU WIRE DRIVER INFORMATION CENTER GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (FAR RIGHT SIDE OF I/P) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE POWERTRAIN PPL PPL/WHT WIRE SERVICE ABS IND. SERVICE ASR IND. SNSR RTN STOP-HAZ FUSE 8 20 AMP TACH OUT UART DATA TACHOMETER TAN WIRE TCS ACTIVE SIG THROTTLE POSITION SENSOR (TOP RIGHT FRONT OF ENGINE, SIDE OF THROTTLE BODY) TPS SIG TRACTION CONTROL SWITCH TSR TIMING RETARD OUT REF WHT WIRE

1995 VFTC A/T ACCY ARM UTD OUTPUT DOOR KEY SW OUT PROGRAM REQUEST UTD STATUS INPUT KEY IN IGN INPUT BLK WIRE BLK/WHT WIRE BRN WIRE BULB TEST CENTRAL CONTROL MODULE (CCM) (BEHIND CENTER OF I/P) CLUTCH PEDAL POSITION SWITCH (MOUNTED TO TOP OF CLUTCH PEDAL) DK GRN WIRE DOOR LOCKS SYSTEM GRY WIRE GRY/BLK WIRE HATCH DOOR AJAR SWITCH (COUPE) HEAD HEADLAMP SWITCH HORN SYSTEM (HORN RELAY) HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK CRANK P/N CLUTCH FUSE 10 IGNITION KEY IGNITION KEY LOCK CYLINDER IGNITION SWITCH INSTRUMENT CLUSTER INTERIOR LIGHTS SYSTEM (DIODE MODULE) KEY RESISTOR INPUT SERIAL DATA 1 START ENABLE RLY GROUND KEY-IN IGNITION SWITCH LCD FUSE 38 LEFT DOOR AJAR SWITCH LEFT DOOR KEY SWITCH LOCK OFF LT DOOR UNLK OUT LK BOTH DOOR OUT LT GRN WIRE M/T M/T PPL NCA WIRE OFF PARK ORG/ WIRE PASSIVE KEYLESS ENTRY MODULE (BEHIND CENTER OF I/P) PPL PPL A/T PPL/WHT WIRE RED/BLK WIRE RESISTOR PELLET RIGHT DOOR AJAR SWITCH RIGHT DOOR KEY SWITCH RUN WIRE SECURITY INDICATOR SERIAL DATA STARTER SOLENOID TAN WIRE THEFT DETERRENT RELAY (BELOW LEFT SIDE OF I/P, LEFT OF STEERING COLUMN) TRANSMISSION RANGE SWITCH (IN CONSOLE, AT BASE OF SHIFT CONTROL LEVER) UTD STATUS OUT PROGRAM REQUEST OUT SERIAL DATA 2 WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CCM 1 FUSE 35 CCM 2 FUSE 39 CCM 3 FUSE 16 CENTRAL CONTROL MODULE (BEHIND CENTER OF I/P, BEHIND RADIO CONTROL HEAD) DELAYED ACCESSORY BUS REAR DEFOG SWITCH IN DIAGNOSTIC ENABLE PPL DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL PUMP MODULE (TOP OF FUEL TANK) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P DIM SWITCH IN I/P FUSE BLOCK INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM ENGINE CONTROLS SYSTEM INTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM LCD LOGIC GROUND LED DIM CONTROL LOW ENGINE OIL LEVEL SWITCH (LOWER LEFT REAR OF ENGINE, IN OIL PAN) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PNK WIRE POWER (BATTERY) POWER (BATTERY) POWER DISTRIBUTION SYSTEM DEFOGGERS SYSTEM COMPUTER DATA LINES SYSTEM PPL PPL/WHT WIRE RADIO FREQUENCY CHOKE (.22 MICRO- RED/BLK WIRE REFERENCE GROUND GROUND STARTING/CHARGING SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE CENTRAL CONTROL MODULE (BEHIND RADIO CONTROL HEAD) COURTESY LAMP OUTPUT CONSOLE GLOVE COMPARTMENT LAMP COURTESY LAMP RELAY (RIGHT SIDE OF I/P, IN RELAY RETAINER) ENGINE COMPT) GRY/BLK WIRE HATCH AJAR INPUT HATCH AJAR SWITCH HEADLAMP SWITCH HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK L.C.D. FUSE 38 HOT AT ALL TIMES INTERIOR LIGHTING FUSE 1 HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT ILLUMINATION CIRCUIT LEFT CARGO LAMP LEFT DOOR AJAR INPUT LEFT DOOR AJAR SWITCH LEFT DOOR COURTESY LAMP LEFT FOOTWELL COURTESY LAMP LEFT UNDERHOOD LAMP LEFT VANITY MIRROR LAMP LH CTSY FUSE 37 LIGHTED REARVIEW MIRROR MAP/ COURTESY LAMPS NCA WIRE ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PWR MIRROR FUSE 31 RED WIRE RED/BLK WIRE RH CTSY FUSE 36 RIGHT CARGO LAMP RIGHT DOOR AJAR INPUT RIGHT DOOR AJAR SWITCH RIGHT DOOR COURTESY LAMP RIGHT FOOTWELL COURTESY LAMP RIGHT UNDERHOOD LAMP RIGHT VANITY MIRROR LAMP UNDERHOOD FUSE BLOCK 2 UNDERHOOD LAMPS IN- LINE FUSE WHT WIRE YEL WIRE

1995 VFTC 4000 PULSES/MILE A/T ASR ACTIVE SIGNAL BLK (OR BLK/WHT) WIRE BLK WIRE BLK/WHT 851 WIRE BLK/WHT WIRE BRAKE SWITCH ASSEMBLY (TOP OF BRAKE PEDAL) BRN 86 OR BRN/WHT 379 WIRE BRN WIRE BRN/WHT WIRE CENTRAL CONTROL MODULE (BEHIND CENTER OF I/P) CONTROL MODULE CRUISE CONTROL CUT OFF RELAY CRUISE CONTROL MODULE (LEFT OF I/P FUSE BLOCK) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE COMPT, ABOVE BATTERY) CRUISE ENGAGE SW CRUISE FUSE 32 CRUISE ON INPUT CRUISE RELEASE CLUTCH SW (TOP OF CLUTCH CRUISE SW DISENGAGE INPUT DK BLU WIRE DK BLU/WHT 403 WIRE DK BLU/WHT WIRE DK GRN/WHT 817 WIRE DK GRN/WHT WIRE ELEC TRANS SCHED IN ELEC TRANS SCHED OUT ELECTRONIC BRAKE, TRACTION GROUND GRY 397 WIRE GRY WIRE GRY/BLK 87 WIRE GRY/BLK WIRE HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INFORMATION CENTER LT BLU/BLK 396 WIRE LT BLU/BLK 399 WIRE LT BLU/BLK WIRE LT GRN 205 WIRE LT GRN 981 WIRE LT GRN WIRE M/T NCA WIRE OFF PEDAL BRACKET) PNK WIRE POWERTRAIN CONTROL MODULE (ABOVE BATTERY) PPL PPL (OR PPL 401 R/A RADIO CONTROL HEAD RESUME/ACCEL INPUT SERVO POSITION IN/HI SERVO POSITION IN/LO SERVO POSITION SENSOR SET INPUT SET SW TAN 398 WIRE TAN WIRE TRACTION ACTIVE SIG VACUUM VALVE VACUUM VALVE CTRL VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VENT VALVE VENT VALVE CTRL VSS HI VSS LO YEL 400 WIRE YEL WIRE

3-4 IND CTRL ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH BRN WIRE BULB TEST CENTRAL CONTROL MODULE (BEHIND CENTER OF I/P) CHANGE OIL IND. CHECK GAUGES IND CLUSTER FUSE 27 5 AMP CLUSTER ILLUM. CONVERTIBLE ONLY COOLANT TEMP GAGE DIC SWITCHES INPUT DIGITAL DISPLAY DIGITAL DISPLAY ILLUM. DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DK LT DOOR AJAR IND DOOR LOCKS SYSTEM (PASSIVE KEYLESS ENTRY MODULE) DRIVER INFORMATION CENTER DRL MODULE (CENTER I/P) ENGINE CONTROLS SYSTEM (PCM) ENGINE COOLANT TEMPERATURE GAGE SENSOR (RIGHT REAR OF ENGINE, ABOVE STARTER) ENGINE OIL PRESSURE SENSOR/ FUEL PUMP SWITCH (TOP REAR OF ENGINE) ENGINE OIL PRESSURE SWITCH ENGINE OIL TEMPERATURE SENSOR (LEFT REAR OF ENGINE, ABOVE OIL FILTER) ENGINE SPEED OUTPUT EXTERIOR LIGHTS SYSTEM (TURN/ HAZARD SWITCH) FASTEN SEAT BELT IND FOUR IND. FUEL GAUGE SENDER FUEL PUMP MODULE (TOP OF FUEL TANK) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HATCH RELEASE SWITCH HEADLAMP SYSTEM (HEADLAMP DIMMER SWITCH) HI BEAM IND. CTRL HI BEAM INPUT HI-BEAM IND HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (FAR RIGHT SIDE OF I/P) IGNITION SWITCH INCANDESCENT I/P LAMPS DIM CTRL INSTRUMENT CLUSTER LCD FUSE 38 5 AMP LCD PWM DIM SIG LEFT DOOR AJAR SWITCH RIGHT DOOR AJAR SWITCH LEFT TURN IND LOCK OFF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OIL PRESS GAGE OIL TEMP GAGE ORG/ WIRE PARK BRAKE IND PARK BRAKE SWITCH PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT REAR ENGINE COMPT) PPL REAR DECKLID RELEASE SWITCH REF GROUND RIGHT TURN IND RUN WIRE SECURITY IND SECURITY IND CTRL TACHO- METER TAN WIRE TAN/WHT WIRE TRIP COMPUTER, ENGLISH/ METRIC SWITCHES VEHICLE SPEED INPUT VOLT- METER W/ DRL W/ M/T ONLY W/O DRL WARNING SYSTEM WHT WIRE YEL WIRE

13 14 PNK WIRE ANTI-LOCK BRAKES SYSTEM ASR ACTIVE SIGNAL ASR SPARK RTD SIG BANK 2 (FORWARD OF CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY BRN WIRE BTSI SYSTEM COIL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EBTCM PPL ECT SENSOR SIG ENG 1 FUSE 30 ENGINE, RIGHT SIDE OF AIR INTAKE DUCT) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK AIR PUMP FUSE 8 HOT IN RUN HOT IN RUN, BULB TEST OR START IAC COIL A HI IAC COIL A LO IAC COIL B HI IAC COIL B LO IAT SENSOR SIG IDLE AIR CONTROL (IAC) VALVE (TOP RIGHT FRONT OF ENGINE, ON THROTTLE BODY) COIL INTAKE AIR TEMPERATURE (IAT) SENSOR (FRONT OF LEFT FRONT HEATED OXYGEN SENSOR LEFT REAR HEATED OXYGEN SENSOR LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SENSOR SIG NCA WIRE ORG/BLK WIRE OXYGEN SEN FUSE 20 PCM GROUND CONN 3 PIN 10 PIN 34 PIN 12 ELECTRONIC BRAKE/ TRACTION CONTROL MODULE (EBTCM) PNK TRANS RANGE SIG A WIRE PNK WIRE PNP SW POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE CMPT, ABOVE BATTERY) PPL PPL BRAKE SWITCH SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT FRONT HEATED OXYGEN SENSOR RIGHT REAR HEATED OXYGEN SENSOR SECONDARY AIR INJECTION (AIR) BLEED VALVE SOLENOID (ATTACHED TO AIR PUMP) SOLID STATE TAN WIRE TAN/WHT WIRE TCC/SHIFT INTERRUPT SWITCH THROTTLE POSITION (TP) SENSOR (RIGHT FRONT OF ENGINE) TP SENSOR SIG TRANS PRESS CTRL SOL TRANS RANGE SIG B TRANS RANGE SIG C UNDER- HOOD FUSE BLOCK 2 WHT WIRE YEL WIRE YEL/BLK WIRE

13 14 PNK WIRE ANTI-LOCK BRAKES SYSTEM ASR ACTIVE SIGNAL ASR SPARK RTD SIG BANK 2 (FORWARD OF CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY BRN WIRE BTSI SYSTEM COIL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EBTCM PPL ECT SENSOR SIG ENG 1 FUSE 30 ENGINE, RIGHT SIDE OF AIR INTAKE DUCT) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK AIR PUMP FUSE 8 HOT IN RUN HOT IN RUN, BULB TEST OR START IAC COIL A HI IAC COIL A LO IAC COIL B HI IAC COIL B LO IAT SENSOR SIG IDLE AIR CONTROL (IAC) VALVE (TOP RIGHT FRONT OF ENGINE, ON THROTTLE BODY) COIL INTAKE AIR TEMPERATURE (IAT) SENSOR (FRONT OF LEFT FRONT HEATED OXYGEN SENSOR LEFT REAR HEATED OXYGEN SENSOR LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SENSOR SIG NCA WIRE ORG/BLK WIRE OXYGEN SEN FUSE 20 PCM GROUND CONN 3 PIN 10 PIN 34 PIN 12 ELECTRONIC BRAKE/ TRACTION CONTROL MODULE (EBTCM) PNK TRANS RANGE SIG A WIRE PNK WIRE PNP SW POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE CMPT, ABOVE BATTERY) PPL PPL BRAKE SWITCH SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT FRONT HEATED OXYGEN SENSOR RIGHT REAR HEATED OXYGEN SENSOR SECONDARY AIR INJECTION (AIR) BLEED VALVE SOLENOID (ATTACHED TO AIR PUMP) SOLID STATE TAN WIRE TAN/WHT WIRE TCC/SHIFT INTERRUPT SWITCH THROTTLE POSITION (TP) SENSOR (RIGHT FRONT OF ENGINE) TP SENSOR SIG TRANS PRESS CTRL SOL TRANS RANGE SIG B TRANS RANGE SIG C UNDER- HOOD FUSE BLOCK 2 WHT WIRE YEL WIRE YEL/BLK WIRE