Chevrolet Corvette C5 (1997-2004) nca Wiring diagrams

ABS FUSE 52 ABS IND. ABSTRNS FUSE 5 BATTERY IGNITION 3 VAR EFF STR ACT HI VAR EFF STR ACT LOW BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (IN RIGHT FOOTWELL) BRAKE FLUID PRESSURE SENSOR (NEAR MASTER CYLINDER) BRAKE PRESS SENS SIG STR WHL POS SIG B YAW RATE SENS SIG BRAKE PRESSURE MODULATOR VALVE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DEL TORQUE DEL TORQUE SIG STR WHL POS SIG A DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (AT LEFT FRONT SIDE OF ENGINE COMPT) ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (IN REAR COMPT, INSIDE REAR TUB) GROUND GROUND GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P FUSE BLOCK (IN RIGHT FRONT FOOTWELL, IGNITION 1 INSTRUMENT PANEL CLUSTER IPC FUSE 19 LATERAL ACCEL IN STOPLAMP SW LATERAL ACCELEROMETER SENSOR (UNDER RIGHT SEAT) LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT SIDE OF ENGINE COMPT) PUMP MOTOR RED WIRE REQ TORQUE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR RUN WIRE SERIAL DATA STEERING WHEEL POSITION SENSOR (SWPS) (AT BASE OF STEERING COLUMN) STOPLIGHT SWITCH (ON TOP OF BRAKE PEDAL SUPPORT) STP HAZ FUSE 8 STR POS SENS SIG TAN WIRE TAN/BLK WIRE TRAC SW TRACTION IND TRACTION/ SUSPENSION CONTROL SWITCH UNDERHOOD FUSE BLOCK (ON RIGHT REAR OF ENGINE COMPT) VARIABLE EFFORT STEERING ACTUATOR (ON LEFT SIDE OF STEERING RACK ASSEMBLY) WHT WIRE YAW RATE SENSOR (UNDER HVAC CONTROL HEAD) YEL WIRE

A/T ACCY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (MOUNTED ON THE TOE BOARD, IN RIGHT FRONT FOOTWELL) BULB TEST CRK FUSE 14 DK BLU WIRE DK GRN WIRE DK/BLU WIRE DRIVER DOOR EXTERIOR LIGHTS SYSTEM (BACK-UP LIGHTS CIRCUIT) EXTERIOR LIGHTS SYSTEM (DRL RELAYS) F/TNKDR FUSE 32 FOG LAMP SWITCH/ REAR COMPARTMENT LID RELEASE SWITCH FOLDING TOP AJAR INDICATOR SWITCH GROUND GROUND LT DRL RLY STARTER ENABLE KEY OUT GRY WIRE GRY/BLK WIRE HORNS SYSTEM (HORN RELAY) HOT AT ALL TIMES HOT IN ON AND START HTCHTRK RLY RELAY IGNITION KEY IGNITION KEY LOCK CYLINDER IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) SECURITY INDICATOR INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (IN RIGHT FRONT FOOTWELL, MOUNTED TO TOE BOARD) IPC FUSE KEY SW IN LEFT DOOR AJAR INDICATOR SWITCH LEFT DOOR KEY SWITCH LOCK OFF LT BLU WIRE LT DOOR AJAR LT GRN WIRE LT GRN/BLK WIRE M/T MODULE (BOTTOM OF LEFT DOOR) NCA WIRE ORG/ WIRE ORG/BLK WIRE PASS-KEY IN PASS KEY RTN SERIAL DATA TRUNK RLY CTRL HORN RLY PASSENGER DOOR MODULE (BOTTOM OF RIGHT DOOR) PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) PPL PPL/WHT WIRE REAR COMPARTMENT LID AJAR SWITCH RED WIRE RED/BLK WIRE RESISTOR PELLET RIGHT DOOR AJAR INDICATOR SWITCH RIGHT DOOR KEY SWITCH RT DOOR AJAR RUN WIRE SERIAL DATA SPLICE PACK 201 (LEFT KICK PANEL) SPLICE PACK 202 (RIGHT KICK PANEL) SPLICE PACK 302 (FRONT OF RIGHT QUARTER PANEL) STAR CONNECTOR 1 (IN INSTRUMENT PANEL HARNESS) STARTER FUSE 52 STARTING/ CHARGING SYSTEM (STARTER) TAN WIRE THEFT DETERRENT RELAY (IN RIGHT FOOTWELL, ABOVE BCM) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1791 63 540 5 VOLT REF BLWR MTR SPD CTRL BATTERY 1798 734 GND IN AIR TEMP SENS OUT AIR TEMP SENS 41 1236 1199 733 IGN 3 VOLT TEMP DR CTRL-AUX TEMP DR CTRL TEMP DR POS SIG 42 60 58 74 80 RELAY CTRL SENS GND DATA LINE ECT SENSOR ECT SENSOR 43 18 33 14 45 RELAY CTRL A/C ON RELAY CTRL PRESS SIG 6 5 SOLID STATE A/C CLU RELAY A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE (IN FORWARD LAMP HARN, NEAR A/C CLUTCH CONNECTOR) A/C FUSE 24 A/C REFRIGERANT PRESSURE SENSOR (ATTACHED TO THE A/C HIGH SIDE LINE) AIR INLET AIR TEMPERATURE ACTUATOR (LEFT) (LEFT SIDE OF HVAC MODULE) AIR TEMPERATURE ACTUATOR (RIGHT) (RIGHT SIDE OF HVAC MODULE) AIR TEMPERATURE SENSOR (INSIDE) (IN AIR OUTLET, RIGHT OF STEERING COLUMN) AMBIENT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPT) BLK WIRE BLO MOT FUSE 51 BLOWER MOTOR CONTROL PROCESSOR (BEHIND RIGHT SIDE OF DASH) BRN WIRE COOL FAN 1 FUSE 49 COOL FAN 2 FUSE 46 COOL FAN 3 FUSE 14 COOLING FAN (LEFT) COOLING FAN (RIGHT) COOLING FAN 1 RELAY COOLING FAN 2 RELAY COOLING FAN 3 RELAY DATA LINK CONNECTOR (DLC) (UNDER DASH, BELOW STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT SIDE OF ENGINE, BELOW GENERATOR) GND SUNLOAD ISIG TEMP DR POS-AUX GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HVAC CON FUSE 27 HVAC CONTROL MODULE HVAC FUSE 18 INSTRUMENT PANEL FUSE BLOCK (RIGHT FRONT FOOTWELL, MOUNTED TO TOE BOARD) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE CLOSED HEATER MODE OPEN DEFROST NCA WIRE ORG/ WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE SOLID STATE 6 5 SPLICE PACK STAR CONNECTOR 1 (IN DASH HARNESS) SUNLOAD SENSOR (TOP OF DASH, RIGHT SIDE OF DEFROSTER GRILLE) TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VACUUM CONTROL ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

& IPC FUSE 25 ALC HDLP RLY CTRL AMBIENT LIGHT SENSOR SIGNAL ANTI-THEFT SYSTEM BCM 2 FUSE 23 BCM A FUSE 9 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (MOUNTED ON TOE BOARD, IN RIGHT FOOTWELL) BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRUNK RELEASE CIRCUIT FOG LAMP INDICATOR CTRL FOG LAMP RELAY CONTROL FRONT FOG LAMP SW SIGNAL FUSE 13 GRN WIRE GROUND AMBIENT LIGHT SENSOR GROUND GRY WIRE GRY/BLK WIRE HEADLIGHT SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN, BULB TEST OR START IGNITION SWITCH INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL FUSE BLOCK (IN RIGHT FRONT FOOTWELL, MOUNTED TO TOE BOARD) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM STARTING/CHARGING SYSTEM KEY REMINDER SIGNAL KEY REMINDER SWITCH LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MONITOR LD RELAY CONTROL NCA WIRE ORG/ WIRE ORG/BLK WIRE PASS-KEY RESISTOR GROUND PASS-KEY SIGNAL BATTERY POSITIVE VOLTAGE PNK WIRE POWER TOPS SYSTEM PPL PPL/WHT WIRE PRNDL LAMP DIMMING OUTPUT THEFT DETERRENT RELAY CTRL KEY REMINDER SIG REAR COMPT RELEASE RELAY CTRL HORN CONTROL CONTROL RED/BLK WIRE SPLICE PACK 201 (LEFT KICK PANEL) SPLICE PACK 202 (RIGHT KICK PANEL) SPLICE PACK 208 (RIGHT SIDE OF DASH) STEERING COLUMN LOCK STEERING COLUMN LOCK FEEDBACK SWITCH STEERING COLUMN LOCK RELAY (IN RIGHT FOOTWELL, MOUNTED TO TOE BOARD) STEERING WHEEL LOCK MOTOR TAN WIRE TONNEAU RELEASE RELAY CTRL TRACTION/ SUSPENSION CONTROL SWITCH TRUNK RELEASE CIRCUIT HORNS SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

43 18 14 45 17 RELAY CTRL A/C ON PRESS SIG 60 58 SENS GND DATA LINE A/C CLU RELAY A/C COMPRESSOR CLUTCH A/C FUSE 24 A/C REFRIGERANT PRESSURE SENSOR (ATTACHED TO THE A/C HIGH SIDE LINE) A/C REQ BLK WIRE DATA LINK CONNECTOR (DLC) (UNDER DASH, BELOW STEERING COLUMN) DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT IN RUN OR START HVAC CONTROL MODULE (W/ AUTO A/C) HVAC CONTROL MODULE (W/ MANUAL A/C) NCA WIRE PPL RED/BLK WIRE SERIAL DATA SPLICE PACK STAR CONNECTOR 1 (IN DASH HARNESS) UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TPS 1 SIG 1273 1272 PPL ACCELERATOR PEDAL POSITION SENSOR (TOP OF ACCELERATOR PEDAL) APP 1 GND APP 3 SIG APP 1 SIG APP 3 GND APP 2 GND APP 2 SIG BLK/WHT WIRE BRN WIRE CCP SW SIG PPL TCC/CRUISE SW SIG CLUTCH PEDAL POSITION SWITCH (ON TOP OF CLUTCH PEDAL BRACKET) CR CONT FUSE 20 CRUISE CONTROL SWITCH DK BLU WIRE DK GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT WITH IGN RELAY ENERGIZED (IN RUN OR START) I/P FUSE BLOCK (IN RIGHT FRONT FOOTWELL, LOW FRONT SIG LT BLU WIRE M/T MULTIFUNCTION TURN SIGNAL LEVER NCA WIRE OFF ON OFF SET/ COAST ON ORG/ WIRE ORG/BLK WIRE PNK 539 582 WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) PPL PPL HIGH FRONT SIG PPL TPS 1 GND SET/COAST SIG RES/ACC SIG STOP SW SIG IGNITION TAC CTRL 2 84 87 20 R/A STOPLAMP SWITCH (BRAKE PEDAL SUPPORT) STP HAZ FUSE 8 TAC SERL DATA TAN WIRE THROT CONT FUSE 17 ENG IGN 1 FUSE 19 THROTTLE ACTUATOR CONTROL MODULE (ATTACHED TO PCM, BELOW BATTERY) THROTTLE ACTUATOR CONTROL MOTOR (LEFT SIDE OF THROTTLE BODY) THROTTLE POSITION SENSOR (ON RIGHT SIDE OF THROTTLE BODY ASSEMBLY) UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VEHICLE SPEED SENSOR (TOP RIGHT SIDE OF DIFFERENTIAL) WHT WIRE YEL WIRE YEL/BLK WIRE

450 267 GROUND MIRROR HTR CTRL AUTO A/C BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE/ HARDTOP COUPE DATA LINE DEFOG ENABLE DEFOG IND DEFOG RELAY CTRL DEFOG REQUEST DEFOGGER GRID DEFOGGER IND DRIVER DOOR MODULE (DDM) (IN LOWER CENTER OF DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR GROUND HOT AT ALL TIMES HOT IN ON HVAC FUSE 18 HVAC CONTROL MODULE I/P FUSE BLOCK (IN RIGHT FRONT FOOTWELL, MOUNTED TO TOE BOARD) IGN IGNITION LT GRN WIRE MAN A/C NCA WIRE ORG/ WIRE PASSENGER DOOR MODULE (PDM) (IN LOWER CENTER OF PASSENGER'S DOOR) PASSENGER OUTSIDE REARVIEW MIRROR POWER ANTENNA SYSTEM POWER DISTRIBUTION SYSTEM PPL PPL (DASH HARN, NEAR BLWR MTR BREAKOUT) PPL DEFOG SIGNAL REAR DEFOGGER CAPACITOR REAR DEFOGGER INDUCTOR 1 REAR DEFOGGER INDUCTOR 2 REAR DEFOGGER SWITCH RR DEFOG FUSE 48 RR DEFOG RELAY 46 SPLICE PACK STAR CONNECTOR 1 (LEFT OF BODY CONTROL MODULE (BCM)) STAR CONNECTOR 2 (LEFT OF BODY CONTROL MODULE (BCM)) TAN WIRE WHT WIRE

ABS FUSE 52 ABSTRNS FUSE 5 BATTERY BLK WIRE BLK/WHT WIRE BRAKE PRESS SENS SIG BRAKE PRESSURE SENSOR (NEAR MASTER CYLINDER) BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (AT LEFT FRONT SIDE OF ENGINE COMPT) ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (IN REAR COMPT, LEFT STORAGE COMPT) GROUND GRY WIRE HOT AT ALL TIMES HOT IN IGNITION 3 LATERAL ACCEL IN LATERAL ACCELEROMETER SENSOR (UNDER RIGHT SEAT) LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RUN WIRE STEERING WHEEL POSITION SENSOR (AT BASE OF STEERING COLUMN) STR POS SENS SIG STR WHL POS SIG A STR WHL POS SIG B UNDERHOOD FUSE BLOCK (ON RIGHT REAR OF ENGINE COMPT) VAR EFF STR ACT HI VAR EFF STR ACT LOW VARIABLE EFFORT STEERING ACTUATOR (ON LEFT SIDE OF STEERING GEAR) WHT WIRE YAW RATE SENS SIG YAW RATE SENSOR (UNDER HVAC CONTROL HEAD)

ABS SYSTEM ABSTRNS FUSE 5 ANTI-LOCK BRAKE SYSTEM BLK WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (DLC) (UNDER DASH, BELOW STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (AT LEFT FRONT SIDE OF ENGINE COMPT) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN IGNITION INSTRUMENT CLUSTER VSS SIGNAL LEFT FRONT SHOCK ABSORBER SOLENOID (ON BOTTOM OF LEFT FRONT SHOCK) LEFT FRONT SUSPENSION POSITION SENSOR (ATTACHED TO SUSPENSION CONTROL ARM) LEFT REAR SHOCK ABSORBER SOLENOID (ON BOTTOM OF LEFT REAR SHOCK) LEFT REAR SUSPENSION POSITION SENSOR (ATTACHED TO SUSPENSION CONTROL ARM) LF SOL LOW LF SOL HIGH LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE PERF PNK/BLK WIRE PNK/WHT WIRE PPL (DASH HARN, NEAR BLOWER MOTOR CONTROL MODULE CONNECTOR BREAKOUT) PPL 2 PPL/WHT WIRE REAL TIME DAMPING (RTD) RELAY 41 RED WIRE RED/BLK WIRE RF SOL LOW RF SOL HIGH RTD RELAY RIGHT FRONT SHOCK ABSORBER SOLENOID (ON BOTTOM OF RIGHT FRONT SHOCK) RIGHT FRONT SUSPENSION POSITION SENSOR (ATTACHED TO SUSPENSION CONTROL ARM) RIGHT REAR SHOCK ABSORBER SOLENOID (ON BOTTOM OF RIGHT REAR SHOCK) RIGHT REAR SUSPENSION POSITION SENSOR (ATTACHED TO SUSPENSION CONTROL ARM) RTD FUSE 51 RTD FUSE 7 SEL RIDE REF SERIAL DATA SOL SUPPLY SOLID SPORT STAR CONNECTOR 1 (NEAR LEFT SIDE OF BCM) STATE TAN/WHT WIRE TOUR TRACTION/ SUSPENSION CONTROL SWITCH UNDERHOOD FUSE BLOCK (ON RIGHT REAR OF ENGINE COMPT)

A/C CLU RELAY A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE (IN FORWARD LAMP HARN, NEAR A/C CLUTCH CONNECTOR) A/C FUSE 24 A/C ON A/C REFRIGERANT PRESSURE SENSOR (ATTACHED TO THE A/C HIGH SIDE LINE) A/C REQ AIR RECIRC AIR SOURCE LOGIC AIR TEMPERATURE ACTUATOR BLK WIRE BLO MOT MAXI FUSE 51 BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL PROCESSOR (BEHIND RIGHT SIDE OF DASH) BLOWER MOTOR RELAY (ON MULTI-USE RELAY & FUSE BRACKET, ABOVE BCM) BRN WIRE COOLFAN 1 FUSE 49 COOLFAN 2 FUSE 46 COOLFAN 3 FUSE 14 COOLING FAN (LEFT) COOLING FAN (RIGHT) COOLING FAN 1 RELAY COOLING FAN 2 RELAY COOLING FAN 3 RELAY DEFOGGER SYSTEM DEFROST/ DEFOG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENSOR ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT SIDE OF ENGINE, BELOW GENERATOR) GRY WIRE HOT AT ALL TIMES HOT IN RUN HVAC FUSE 18 HOT IN RUN OR START HVAC CON MINI FUSE 27 HVAC CONTROL MODULE I/P FUSE BLOCK (RIGHT FRONT FOOTWELL, MOUNTED TO TOE BOARD) LOW REF LT BLU WIRE LT GRN WIRE NCA WIRE OFF LO ORG/ WIRE PPL PRESS SIG REAR DEFOGGER CIRCUIT RED WIRE RED/BLK WIRE RELAY CTRL SENS GND SPLICE PACK TAN WIRE TEMP CONTROL UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE