Chevrolet Corvette C4 (1984-1998) dk blu/wht Wiring diagrams

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 BLK WIRE BLU WIRE BRAKE LAMP CAPACITOR BRAKE SWITCH ASSEMBLY BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CENTRAL CONTROL MODULE (CCM) (BEHIND CENTER OF I/P) TURN SIG. INPUT CORNERING LAMPS CORNERING LIGHT DAYTIME RUNNING LAMPS (DRL) MODULE (BEHIND CENTER OF I/P) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC BRAKE/TRACTION CONTROL MODULE (EBTCM) (LEFT CARGO COMPT) GRN WIRE HAZARD HAZARD FLASHER HAZARD SWITCH HEAD OFF PARK HEAD- LIGHTS SYSTEM HEADLAMP SWITCH HEADLIGHTS SYSTEM (DRL MODULE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK I/P FUSE BLOCK CRUISE FUSE 32 INSTRUMENT CLUSTER RIGHT TURN IND. LEFT LEFT DRL RELAY DRL CTRL LEFT FRONT PARK/ TURN LAMP LEFT FRONT MARKER LAMP LEFT REAR MARKER LAMP LEFT TAIL/ STOP/ TURN LAMPS LEFT TURN IND LH RH LICENSE LAMP LT BLU WIRE LT BLU/WHT WIRE NORMAL ORG/ WIRE PNK WIRE PPL RIGHT RIGHT DRL RELAY DRL CTRL RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN LAMP RIGHT REAR MARKER LAMP RIGHT TAIL/ STOP/ TURN LAMPS STOP/HAZ FUSE 8 SWITCH TAIL FUSE 6 TURN FLASHER TURN FUSE 24 TURN SWITCH TURN/ HAZARD SWITCH ASSEMBLY WHT WIRE YEL WIRE

1995 VFTC 33 1239 INSTRUMENT CLUSTER SYSTEM AMBIENT LIGHT SENSOR (TOP LEFT SIDE OF I/P, ABOVE INSTRUMENT CLUSTER) BLK WIRE BRN WIRE CENTRAL CONTROL MODULE (CCM) (BEHIND CENTER OF I/P) CLUSTER FUSE 27 CRUISE FUSE 32 DIMMER CTRL PARK LP IN HI BEAM CTRL HIGH BEAM IN DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRL CTRL DRL CTRL DRL CTRL DRL CTRL DRL CTRL EXTERIOR LIGHTING FUSE 6 FOG LAMP RELAY (BOTTOM RIGHT SIDE OF I/P, IN RELAY RETAINER) GRN WIRE HEAD OFF INPUT HEAD ON INPUT HEAD PARK OFF HEAD- LAMP HEAD- LAMP DIMMER SWITCH HEADLAMP RELAY HEADLAMP SWITCH HI BEAM INDICATOR HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK CCM 3 FUSE 16 INSTRUMENT CLUSTER LEFT DRL RELAY LEFT FOG LAMP LEFT HEADLAMP DOOR ASSEMBLY LO HI LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF FOG LPS SW ON INDICATOR ORG/ WIRE PARK BRAKE SWITCH (LEFT DOOR SILL, ON PARK BRAKE) PARK LAMP RELAY PNK WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RIGHT DRL RELAY RIGHT FOG LAMP RIGHT HEADLAMP DOOR ASSEMBLY RUN WIRE TAIL FUSE 6 TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK #2 (LEFT REAR OF ENGINE COMPARTMENT) WHT WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC BACK BLK WIRE BRN WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DN UP FRONT HEIGHT REAR HEIGHT FOR FORWARD/ BACK FORWARD/ BACK MOTOR FORWARD/ BACK RELAY FRONT HEIGHT MOTOR FRONT HEIGHT PASS DRIVER HOT AT ALL TIMES I/P FUSE BLOCK LEFT SEAT MOTOR ASSEMBLY LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PASS POWER SEAT CIRCUIT BREAKER POWER SEAT SWITCH POWER SEAT SWITCH DIODE REAR HEIGHT REAR HEIGHT MOTOR REAR HEIGHT RELAY FRONT HEIGHT RELAY RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RELAY CENTER (UNDER LEFT SEAT) RIGHT SEAT MOTOR ASSEMBLY SEAT SELECT SWITCH FORWARD/BACK PASS DRIVER TAN WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE CENTRAL CONTROL MODULE (BEHIND CENTER OF I/P) CHIME OUT CONTROL CHIME 1 INPUT CHIME 2 INPUT CLUSTER FUSE 27 DK BLU/WHT WIRE EXTERIOR LIGHTS SYSTEM PPL FASTEN BELTS INDIC CTRL GRN WIRE GRY/BLK WIRE HEAD HEAD- LAMP SWITCH HEAD/PARK SWITCH IN HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER KEY-IN IGNITION IN LCD FUSE 38 LEFT DOOR AJAR KEY-IN IGNITION SWITCH LEFT DOOR IN LT GRN WIRE NCA WIRE OFF PARK ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE COMPT, ABOVE BATTERY) PPL REMOTE KEYLESS ENTRY SYSTEM RIGHT DOOR AJAR SEAT BELT SWITCH SEAT BELT SWITCH IN RIGHT DOOR IN SEAT BELTS INDIC SUPPLEMENTAL RESTRAINT SYSTEM SWITCH TONE GENERATOR (BEHIND CENTER OF I/P) POWER TURN FLASH IN TURN FLASHER TURN FUSE 24 VEHICLE SPEED OUTPUT VSS IN WHT WIRE YEL WIRE

5 VOLT REF 5 VOLT REF PNK IGNITION WIRE A/C CLUTCH STATUS A/C PRESSURE CYCLING SWITCH A/C REQUEST SIG A/T AIR CONDITIONING SYSTEM AIR PUMP RELAY CTRL BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE COIL WIRE CONN 2 COOLING FAN RLY 2&3 COOLING FAN RLY CTRL CRNKSHFT POSIT SIG PCM GROUND CRUISE ACTIVE SIGNAL CRUISE CONTROL MODULE DIST IGNITION FEED DIST REF LOW SIG DISTRIBUTOR (FRONT OF ENGINE, BEHIND ENGINE COOLANT PUMP) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE E.C.M. FUSE 33 EGR SOLENOID CTRL ENG 1 FUSE 30 ENGINE COOLING FAN RLY NO.1 ENGINE COOLING FAN RLY NO.3 ENGINE SPD OUT SIGNAL EVAP VACUUM SW EVAPORATIVE EMISSION (EVAP) VACUUM PURGE SWITCH (RIGHT SIDE OF ENGINE) FUEL INJECTOR #8 PNK WIRE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 PNK WIRE FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL PUMP RELAY CTRL GRY WIRE HIGH RESOLUTION SIG HOT AT ALL TIMES UNDER- HOOD FUSE BLOCK 1 ECM FUSE 1 HOT IN RUN, BULB TEST OR START HOT IN RUN, BULB TEST, START I/P FUSE BLOCK IGN FEED HI RES SIGNAL IGN FEED REF LO IGN PWR MAF SENSOR OUT IGNITION CTRL INJ 1 CTRL INJ 1 FUSE 22 INJ 2 CTRL INJ 2 FUSE 23 INJ 3 CTRL INJ 4 CTRL INJ 5 CTRL INJ 6 CTRL INJ 7 CTRL INJ 8 CTRL LOW RESOLUTION SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE M/T M/T A/T MAF SENSOR SIG MASS AIR FLOW SENSOR (MAF) (FRONT OF ENGINE, IN AIR INTAKE DUCT) OPTICAL SENSOR LOW RES SIGNAL REF LOW PCM GROUND PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE CMPT, ABOVE BATTERY) PPL PPL VSS SIGNAL LOW PPL/WHT WIRE RED WIRE RED/BLK WIRE SENSOR GROUND SPARK PLUGS TACHOMETER, ELECTRONIC BRAKE/ TRACTION CONTROL MODULE TRANS 1-2 SHIFT CTRL TRANS 2-3 SHIFT CTRL TRANS 3-2 SHIFT CTRL VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS OUT VSS SIGNAL HIGH CONN 1 WHT WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REF 5 VOLT REF PNK IGNITION WIRE A/C CLUTCH STATUS A/C PRESSURE CYCLING SWITCH A/C REQUEST SIG A/T AIR CONDITIONING SYSTEM AIR PUMP RELAY CTRL BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE COIL WIRE CONN 2 COOLING FAN RLY 2&3 COOLING FAN RLY CTRL CRNKSHFT POSIT SIG PCM GROUND CRUISE ACTIVE SIGNAL CRUISE CONTROL MODULE DIST IGNITION FEED DIST REF LOW SIG DISTRIBUTOR (FRONT OF ENGINE, BEHIND ENGINE COOLANT PUMP) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE E.C.M. FUSE 33 EGR SOLENOID CTRL ENG 1 FUSE 30 ENGINE COOLING FAN RLY NO.1 ENGINE COOLING FAN RLY NO.3 ENGINE SPD OUT SIGNAL EVAP VACUUM SW EVAPORATIVE EMISSION (EVAP) VACUUM PURGE SWITCH (RIGHT SIDE OF ENGINE) FUEL INJECTOR #8 PNK WIRE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 PNK WIRE FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL PUMP RELAY CTRL GRY WIRE HIGH RESOLUTION SIG HOT AT ALL TIMES UNDER- HOOD FUSE BLOCK 1 ECM FUSE 1 HOT IN RUN, BULB TEST OR START HOT IN RUN, BULB TEST, START I/P FUSE BLOCK IGN FEED HI RES SIGNAL IGN FEED REF LO IGN PWR MAF SENSOR OUT IGNITION CTRL INJ 1 CTRL INJ 1 FUSE 22 INJ 2 CTRL INJ 2 FUSE 23 INJ 3 CTRL INJ 4 CTRL INJ 5 CTRL INJ 6 CTRL INJ 7 CTRL INJ 8 CTRL LOW RESOLUTION SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE M/T M/T A/T MAF SENSOR SIG MASS AIR FLOW SENSOR (MAF) (FRONT OF ENGINE, IN AIR INTAKE DUCT) OPTICAL SENSOR LOW RES SIGNAL REF LOW PCM GROUND PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE CMPT, ABOVE BATTERY) PPL PPL VSS SIGNAL LOW PPL/WHT WIRE RED WIRE RED/BLK WIRE SENSOR GROUND SPARK PLUGS TACHOMETER, ELECTRONIC BRAKE/ TRACTION CONTROL MODULE TRANS 1-2 SHIFT CTRL TRANS 2-3 SHIFT CTRL TRANS 3-2 SHIFT CTRL VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS OUT VSS SIGNAL HIGH CONN 1 WHT WIRE YEL WIRE YEL/BLK WIRE