Chevrolet Corvette C4 (1984-1998) hot in run 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 BLOWER FUSE 4 A/C CLUTCH FUSE 18 A/C-DEF SOLENOID BI-LEVEL SOLENOID BLK WIRE BLOWER MOTOR BLOWER MOTOR RESISTORS (RIGHT REAR OF ENGINE COMPARTMENT, TOP OF EVAPORATOR BLOWER SWITCH BRN WIRE DEF HTR DEF HTR VNT B-LV NORM DEF HTR VNT B-LV NORM MAX OFF DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG 2 FUSE 21 FRONT MODE SOLENOID HIGH BLOWER MOTOR RELAY (RIGHT SIDE OF ENGINE COMPARTMENT) HOT AT ALL TIMES HOT IN RUN HOUSING) HVAC CONTROL HEAD I/P FUSE BLOCK LOW BLOWER MOTOR RELAY (RIGHT SIDE OF ENGINE COMPARTMENT) LT BLU WIRE LT GRN WIRE MAX OFF PNK WIRE PPL REAR MODE SOLENOID RED WIRE TAN WIRE UNDERHOOD FUSE BLOCK 1 VACUUM/ELECTRIC SOLENOID BOX (BEHIND I/P, RIGHT OF PLENUM) VNT B-LV NORM MAX OFF YEL WIRE YEL/BLK 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

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

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

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

1-2 SHIFT SOLENOID 1-4 UPSHIFT LP CTRL 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/C CLUTCH CTRL A/C COMPRESSOR RELAY A/C PRESS SENSOR SIG A/C REFRIGERANT PRESSURE SENSOR A/T A/T FLUID TEMP SENSOR PPL AUTO TRANS FUSE 15 BACK-UP FUSE 28 AUTOMATIC TRANSMISSION BANK 1 KNOCK SENSOR BANK 2 KNOCK SENSOR BLK PNK/ WIRE BLK WIRE BLK/WHT WIRE BLOCKOUT RELAY (RIGHT SIDE OF ENGINE COMPARTMENT, ON INNER WHEELHOUSE) BLU WIRE BRN WIRE BRN/WHT WIRE CLUSTER FUSE 27 COIL FUSE 25 COIL WIRE DK PNK/ DISTRIBUTOR CONN 4 DATA LINK CONNECTOR (DLC) (BELOW LEFT SIDE OF I/P) DK BLU WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) ECM FUSE 1 ENG 1 FUSE 30 ENG OIL TEMP SENSOR SIG ENGINE OIL PRESSURE/ FUEL PUMP SWITCH (CLOSED W/ENGINE RUNNING) ENGINE OIL TEMPERATURE (EOT) SENSOR (LEFT REAR OF ENGINE, ABOVE OIL FILTER) EVAP CANISTER PRG CTRL FUEL PUMP FUEL PUMP FUSE 2 FUEL PUMP MODULE FUEL PUMP RELAY (BELOW RIGHT SIDE OF I/P) GEAR BLOCKOUT SOLENOID GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST, START I/P FUSE BLOCK I/P FUSE BLOCK FP 1 FUSE 14 IC SIG IGNITION COIL (RIGHT FRONT OF ENGINE) IGNITION COIL MODULE (RIGHT FRONT OF ENGINE) PRIMARY COIL DRIVER IGN LEFT KNOCK SENSOR (KS) (BANK 1) (BOTTOM LEFT SIDE OF ENGINE) LOW TIRE PRESSURE WARNING MODULE INSTRUMENT CLUSTER (ONE - TO-FOUR INDICATOR) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT LT M/T M/T ONLY MALFUNCTION INDICATOR (SERVICE ENGINE SOON) MIL CTRL NCA WIRE OR (LEFT REAR OF ENGINE NEAR OIL FILTER) ORG/ WIRE ORG/BLK WIRE OUTPUT/FIELD SERV ENBL PCM GROUND PNK WIRE POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE COMPT, ABOVE BATTERY) PPL PRESSURE CTRL. SOLENOID A/T FLUID PRESS SW RED WIRE RED/BLK WIRE REV SW PNK PNK LO SW WIRE RIGHT KNOCK SENSOR (KS) (BANK 2) (BOTTOM RIGHT SIDE OF ENGINE) SERIAL DATA (UART) SW SW TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC PWM SOLENOID CTRL PPL SERIAL DATA (CLASS 2) TCC SOLENOID TRANS FLUID TEMP SIG TRANS PRESS CTRL LO PNK IGNITION WIRE TRANS TCC CTRL TRANSMISSION RANGE (TR) SWITCH UNDER- HOOD FUSE BLOCK #1 WHT BRN WIRE WHT WIRE WHT/BLK 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

1-2 SHIFT SOLENOID 1-4 UPSHIFT LP CTRL 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/C CLUTCH CTRL A/C COMPRESSOR RELAY A/C PRESS SENSOR SIG A/C REFRIGERANT PRESSURE SENSOR A/T A/T FLUID TEMP SENSOR PPL AUTO TRANS FUSE 15 BACK-UP FUSE 28 AUTOMATIC TRANSMISSION BANK 1 KNOCK SENSOR BANK 2 KNOCK SENSOR BLK PNK/ WIRE BLK WIRE BLK/WHT WIRE BLOCKOUT RELAY (RIGHT SIDE OF ENGINE COMPARTMENT, ON INNER WHEELHOUSE) BLU WIRE BRN WIRE BRN/WHT WIRE CLUSTER FUSE 27 COIL FUSE 25 COIL WIRE DK PNK/ DISTRIBUTOR CONN 4 DATA LINK CONNECTOR (DLC) (BELOW LEFT SIDE OF I/P) DK BLU WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) ECM FUSE 1 ENG 1 FUSE 30 ENG OIL TEMP SENSOR SIG ENGINE OIL PRESSURE/ FUEL PUMP SWITCH (CLOSED W/ENGINE RUNNING) ENGINE OIL TEMPERATURE (EOT) SENSOR (LEFT REAR OF ENGINE, ABOVE OIL FILTER) EVAP CANISTER PRG CTRL FUEL PUMP FUEL PUMP FUSE 2 FUEL PUMP MODULE FUEL PUMP RELAY (BELOW RIGHT SIDE OF I/P) GEAR BLOCKOUT SOLENOID GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST, START I/P FUSE BLOCK I/P FUSE BLOCK FP 1 FUSE 14 IC SIG IGNITION COIL (RIGHT FRONT OF ENGINE) IGNITION COIL MODULE (RIGHT FRONT OF ENGINE) PRIMARY COIL DRIVER IGN LEFT KNOCK SENSOR (KS) (BANK 1) (BOTTOM LEFT SIDE OF ENGINE) LOW TIRE PRESSURE WARNING MODULE INSTRUMENT CLUSTER (ONE - TO-FOUR INDICATOR) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT LT M/T M/T ONLY MALFUNCTION INDICATOR (SERVICE ENGINE SOON) MIL CTRL NCA WIRE OR (LEFT REAR OF ENGINE NEAR OIL FILTER) ORG/ WIRE ORG/BLK WIRE OUTPUT/FIELD SERV ENBL PCM GROUND PNK WIRE POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE COMPT, ABOVE BATTERY) PPL PRESSURE CTRL. SOLENOID A/T FLUID PRESS SW RED WIRE RED/BLK WIRE REV SW PNK PNK LO SW WIRE RIGHT KNOCK SENSOR (KS) (BANK 2) (BOTTOM RIGHT SIDE OF ENGINE) SERIAL DATA (UART) SW SW TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC PWM SOLENOID CTRL PPL SERIAL DATA (CLASS 2) TCC SOLENOID TRANS FLUID TEMP SIG TRANS PRESS CTRL LO PNK IGNITION WIRE TRANS TCC CTRL TRANSMISSION RANGE (TR) SWITCH UNDER- HOOD FUSE BLOCK #1 WHT BRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE