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

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL AUTO TRANS FUSE 15 AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) BRN WIRE BRN/WHT WIRE CLUSTER FUSE 27 CONN B DK BLU WIRE DRIVER INFORMATION CENTER E.C.M. FUSE 33 ECM FUSE 1 ECT SENS INPUT PNK RANGE SIGNAL "A" WIRE ENG 1 FUSE 30 ENGINE COOLANT TEMP SENSOR (FRONT OF ENGINE, ON WATER PUMP) GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION IN LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL ORG/BLK WIRE PARK/NEUTRAL IN PCM GROUND PCM GROUND CONN C PCM GROUND PPL VSS LO PCS HI PCS LO PNK IGNITION IN WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT REAR OF ENGINE COMPT, ABOVE BATTERY) PPL PPL BRAKE SWITCH INPUT PPL DATA LINK CONNECTOR (LEFT SIDE OF DASH) PRESS CTRL HI SOLENOID RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR RETURN SERIAL DATA CONN D TAN WIRE TAN/BLK WIRE TCC PWM SOL PPL CLASS II DATA TCC PWM SOLENOID TCC SOL TCC SOLENOID THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS RANGE PRESS SW ASSY TRANS TEMP SIG IN TRANSMISSION RANGE SWITCH (BASE OF GEAR SELECTOR LEVER) UNDERHOOD FUSE BLOCK 1 VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI CONN A WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL AUTO TRANS FUSE 15 AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) BRN WIRE BRN/WHT WIRE CLUSTER FUSE 27 CONN B DK BLU WIRE DRIVER INFORMATION CENTER E.C.M. FUSE 33 ECM FUSE 1 ECT SENS INPUT PNK RANGE SIGNAL "A" WIRE ENG 1 FUSE 30 ENGINE COOLANT TEMP SENSOR (FRONT OF ENGINE, ON WATER PUMP) GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION IN LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL ORG/BLK WIRE PARK/NEUTRAL IN PCM GROUND PCM GROUND CONN C PCM GROUND PPL VSS LO PCS HI PCS LO PNK IGNITION IN WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT REAR OF ENGINE COMPT, ABOVE BATTERY) PPL PPL BRAKE SWITCH INPUT PPL DATA LINK CONNECTOR (LEFT SIDE OF DASH) PRESS CTRL HI SOLENOID RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR RETURN SERIAL DATA CONN D TAN WIRE TAN/BLK WIRE TCC PWM SOL PPL CLASS II DATA TCC PWM SOLENOID TCC SOL TCC SOLENOID THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS RANGE PRESS SW ASSY TRANS TEMP SIG IN TRANSMISSION RANGE SWITCH (BASE OF GEAR SELECTOR LEVER) UNDERHOOD FUSE BLOCK 1 VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI CONN A WHT WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC BLK (OR TAN/WHT) WIRE BLK WIRE BLK/WHT BLK/WHT WIRE BLK/WHT WIRE CONSOLE DECKLID RELEASE SWITCH DECKLID RELEASE RELAY (RIGHT SIDE OF CARGO COMPARTMENT, TAPED TO BODY HARNESS) HATCH FUSE 45 HOT AT ALL TIMES I/P FUSE BLOCK LEFT DECK- LID RELEASE SOLENOID (LEFT REAR OF CARGO COMPT) LT BLU WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH REAR DECKLID RELEASE SWITCH RIGHT DECK- LID RELEASE SOLENOID (RIGHT REAR OF CARGO COMPT) TAN/WHT WIRE W/O DRL W/ DRL WHT WIRE WHT/ BLK WIRE

"SERVICE RIDE CONTROL" INDICATOR +5 V ABS/ASR/BCU FUSE BLK WIRE BRN WIRE BRN/WHT WIRE CLUSTER FUSE 27 DATA LINK CONNECTOR (BELOW LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER ENG 2 FUSE 21 GROUND GROUND GROUND GROUND GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INDICATOR SIG SERIAL DATA LEFT FRONT DAMPER SOLENOID (IN LEFT FRONT SHOCK AND SOLENOID ASSEMBLY) LEFT REAR DAMPER SOLENOID (IN LEFT REAR SHOCK AND SOLENOID ASSEMBLY) LF POS SENS LR POS SENS LT BLU WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PERF PNK IGNITION WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE COMPT) PPL PPL GROUND GROUND PPL/WHT WIRE REAL TIME DAMPING IN-LINE FUSE REAL TIME DAMPING MODULE (IN LEFT REAR STORAGE COMPT, NEAR ABS MODULE) RED WIRE RED/BLK WIRE RF POS SENS RIDE CONTROL SWITCH RIGHT FRONT DAMPER SOLENOID (IN RIGHT FRONT SHOCK AND SOLENOID ASSEMBLY) RIGHT REAR DAMPER SOLENOID (IN RIGHT REAR SHOCK AND SOLENOID ASSEMBLY) RR POS SENS RR SOL HIGH RR SOL LOW SPORT TAN WIRE TAN/WHT WIRE TOUR UNDERHOOD FUSE BLOCK 1 (LEFT REAR OF ENGINE COMPT) VEHICLE SPEED

1995 VFTC A/T BLK (OR WIRE BLK WIRE BLK/WHT WIRE BODY COMPUTER SYSTEM CONSOLE HATCH RELEASE SWITCH DAYTIME RUNNING LAMPS MODULE (BEHIND CENTER OF I/P) DOOR LOCKS SYSTEM GRY WIRE GRY/BLK WIRE HATCH RELEASE RELAY (REAR OF CARGO COMPT., TAPED TO FRONT BODY HARNESS) HATCH RELEASE SOLENOID HOT AT ALL TIMES I/P FUSE HATCH FUSE 45 BLOCK INSTRU- MENT CLUSTER SYSTEM LEFT DOOR AJAR SWITCH LEFT DOOR HATCH RELEASE SWITCH LT BLU WIRE M/T (NOT USED) ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH PASSIVE KEYLESS ENTRY MODULE (BEHIND CENTER OF I/P) HATCH RELEASE PNP SW INPUT POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE COMPT) SHIFT INTERLOCK SYSTEM TAN WIRE TAN/WHT WIRE TRANS- MISSION RANGE SWITCH W/O DRL W/ DRL WHT WIRE

1995 VFTC BLK/WHT WIRE BRAKE SWITCH ASSEMBLY BRAKE TRANSMISSION SHIFT INTERRUPT SOLENOID (UNDER CENTER CONSOLE) BTSI FUSE 2 DK GRN WIRE DK GRN/WHT WIRE HOT IN RUN, BULB TEST OR START ENG 1 FUSE 30 I/P FUSE BLOCK ORG/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ABOVE BATTERY) BRAKE SW PARK/ NEUTRAL INPUT PPL PPL PPL TAN/WHT WIRE TRANSMISSION RANGE SWITCH (UNDER CENTER CONSOLE) 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