Chevrolet Corvette C4 (1984-1998) nca 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

1995 VFTC A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR RELAY (IN UNDERHOOD ELECTRICAL CENTER) A/C REFRIGERANT PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPARTMENT) BLK WIRE BRN WIRE CLUTCH STATUS DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (LOWER FRONT OF ENGINE) ENGINE COOLING FAN MOTOR, LEFT ENGINE COOLING FAN MOTOR, RIGHT ENGINE COOLING FAN RELAY 1 (LEFT SIDE OF RADIATOR SHROUD) ENGINE COOLING FAN RELAY 2 (LEFT SIDE OF RADIATOR SHROUD) ENGINE COOLING FAN RELAY 3 (LEFT SIDE OF RADIATOR SHOUD) FAN FUSE 29 GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK LT BLU WIRE NCA WIRE PNK WIRE PRIMARY COOLING FAN FUSE 2 RED WIRE RED/BLK WIRE RELAY CONTROL RELAY CONTROL RELAY CONTROL SECONDARY COOLING FAN FUSE 5 SENSOR GROUND SENSOR GROUND A/C REQUEST SENSOR INPUT UNDERHOOD FUSE BLOCK 2 WHT WIRE YEL WIRE

1995 VFTC A/C CLUTCH FUSE 18 A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR RELAY (IN UNDERHOOD ELECTRICAL CENTER) A/C REFRIGERANT PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPARTMENT) BLK WIRE BRN WIRE CLUTCH STATUS DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (LOWER FRONT OF ENGINE) ENGINE COOLING FAN MOTOR, LEFT ENGINE COOLING FAN MOTOR, RIGHT ENGINE COOLING FAN RELAY 1 (LEFT SIDE OF RADIATOR SHROUD) ENGINE COOLING FAN RELAY 2 (LEFT SIDE OF RADIATOR SHROUD) ENGINE COOLING FAN RELAY 3 (LEFT SIDE OF RADIATOR SHROUD) FAN FUSE 29 GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK LT BLU WIRE NCA WIRE PNK WIRE PRIMARY COOLING FAN FUSE 2 RED WIRE RED/BLK WIRE RELAY CONTROL RELAY CONTROL RELAY CONTROL SECONDARY COOLING FAN FUSE 5 SENSOR GROUND SENSOR GROUND A/C REQUEST SENSOR INPUT UNDERHOOD FUSE BLOCK 2 WHT WIRE 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

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

29 30 UART DATA UART DATA BLK WIRE BLK/WHT WIRE CENTRAL CONTROL MODULE (CCM) (BEHIND RADIO) DATA LINK CONNECTOR (BELOW LEFT SIDE OF I/P, RIGHT OF STEERING COLUMN) DIAG ENABLE DIAGNOSTIC ENERGY RESERVE MODULE (BEHIND RIGHT I/P) DK BLU/WHT WIRE DK GRN WIRE E&C BUS ELECTRONIC BRAKE/ TRACTION CONTROL MODULE (EBTCM) (LEFT CARGO COMPT) HOT AT ALL TIMES HVAC PROGRAMMER (BEHIND I/P, LEFT OF STEERING COLUMN) I/P FUSE BLOCK NCA WIRE ORG/ WIRE PASSIVE KEYLESS ENTRY MODULE (BEHIND DRIVER INFORMATION CENTER) POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE COMPT) PPL PPL DATA CLSS 2 RADIO CONTROL HEAD UNIT REAL TIME DAMPING MODULE (LEFT CARGO COMPARTMENT) RH CTSY FUSE 36 TAN WIRE UART DATA UART DATA UART DATA UART DATA UART DATA DIAG ENABLE WHT/BLK 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

1995 VFTC I/P FUSE BLOCK A/C CLUTCH FUSE 18 BLK WIRE BRN WIRE COUPE CONVERTIBLE DATA LINES DEFOG ON/OFF CONT. DEFOG REQUEST OUTPUT DK GRN WIRE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK #1 RR DEFOG FUSE 5 HOT IN RUN HTD MIR FUSE 5 HVAC CONTROL HEAD (BEHIND CENTER OF I/P) DATA LINES HVAC PROGRAMMER (RIGHT OF STEERING COLUMN) REAR DEFOG ON STATUS I/P FUSE BLOCK LEFT HATCH STRUT (LEFT FRONT OF CARGO COMPT.) NCA WIRE ORG/ WIRE PPL REAR DEFOGGER RELAY (RIGHT OF STEERING COLUMN) REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER RED WIRE RIGHT HATCH STRUT RIGHT MIRROR DEFOGGER LEFT MIRROR DEFOGGER WHT WIRE

1995 VFTC I/P FUSE BLOCK A/C CLUTCH FUSE 18 BLK WIRE BRN WIRE CENTRAL CONTROL MODULE (BEHIND CENTER OF I/P) DEFOG CONT. CKT. CENTRAL CONTROL MODULE (CCM) COUPE CONVERTIBLE DEFOG REQUEST INPUT HOT AT ALL TIMES UNDERHOOD FUSE BLOCK #1 RR DEFOG FUSE 5 HOT IN RUN HTD MIR FUSE 5 HVAC CONTROL HEAD DEFOG ON LED HVAC CONTROL HEAD REAR DEFOG ON/OFF SWITCH I/P FUSE BLOCK LED DIMMMING CONTROL LEFT HATCH STRUT LEFT MIRROR DEFOGGER NCA WIRE ORG/ WIRE PPL PPL/WHT WIRE REAR DEFOGGER RELAY REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER RED WIRE RIGHT HATCH STRUT RIGHT MIRROR DEFOGGER WHT WIRE