Chevrolet Corvette C5 (1997-2004) hot in run or start 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

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

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

BLK WIRE BRN WIRE COOL FAN 1 RELAY COOL FAN 2 RELAY COOL FAN 3 RELAY COOLFAN 2 FUSE 46 COOLFAN 3 FUSE 14 COOLING FAN (LEFT) COOLING FAN (RIGHT) DK BLU WIRE DK GRN WIRE ECT SENSOR ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT SIDE OF ENGINE, BELOW GENERATOR) GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START LOW SPEED RELAY CTRL LT BLU WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) COOLFAN 1 FUSE 49 WHT WIRE YEL 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

ALC PRK LP RELAY ALC RELAY LFT DRL CTRL ANTI-LOCK BRAKES SYSTEM APPROACH MINI FUSE 2 BLK WIRE BODY CONTROL MODULE (BCM) (MOUNTED ON TOE BOARD, IN RIGHT FOOTWELL) BRN WIRE CENTER HIGH MOUNT STOP LAMP (CHMSL) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRL LEFT RELAY DRL RIGHT RELAY GRY/BLK WIRE HAZARD SW HAZARD WARNING SWITCH HAZT/SG MINI FUSE 15 HEAD HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL FUSE BLOCK LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT REAR MARKER LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMPS LFT TURN IN LICENSE LAMPS LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE OFF ORG/ WIRE ORG/BLK WIRE PARK PK/TLP MINI FUSE 6 PNK WIRE PPL PPL FLASHER RADIO MODULE) RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMPS RIGHT REAR MARKER LAMP RT TURN IN RT TURN IN LFT TURN IN RT DRL CTRL SPLICE PACK 100 (REAR OF RIGHT FRONT WHEELWELL) SPLICE PACK 102 (UNDER RIGHT HEADLAMP, TAPED TO HARNESS) SPLICE PACK 201 (AT LEFT KICK PANEL) SPLICE PACK 400 (REAR OF VEHICLE, TAPED TO HARNESS NEAR BACK-UP LAMPS) STOPLAMP SWITCH STP/HAZ MINI FUSE 8 TURN SIGNAL SWITCH UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

1-4 IND ABS IND CTRL ABS IND. AIR BAG IND AIR BAG IND CTRL BCM 1, IPC MINI FUSE 25 BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (IN MASTER CYLINDER RESERVOIR) BRAKE IND BRN WIRE BRN/WHT WIRE CHECK ENGINE IND CHECK GAUGES IND CHECK GAUGES IND CTRL COOLANT TEMPER- ATURE GAUGE DATA LINK CONNECTOR (UNDER DASH, BELOW STEERING COLUMN) DIMMER/ HEAD UP DISPLAY SWITCH DK BLU WIRE DK GRN/WHT WIRE E/M ELECTRONIC SUSPENSION SYSTEM ENG SPEED ENGINE OIL TEMPERATURE SENSOR (ON BOTTOM LEFT REAR OF ENGINE) FROM BLOWER MOTOR CONTROL MODULE CONNECTOR BREAKOUT) FUEL GAUGE FUEL GAUGES FUEL SW IN GAUGES SW IN TRIP SW IN GROUND HUD DOWN SIG HUD UP SIG HUD DIM SIG HUD PAGE SIG GROUND IGN 1 VOLTAGE HUD DIMMER CLOCK DATA STROBE HUD UP SIG HUD DOWN SIG GRY WIRE GRY/BLK WIRE HEAD UP DISPLAY (HUD) HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (IN RIGHT FRONT FOOTWELL, MOUNTED TO TOE BOARD) INSTRUMENT CLUSTER INTER LT DIMM HAZ SW INPUT SERIAL DATA LEFT TURN RIGHT TURN HI BEAM SIG IGNITION INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM IPC MINI FUSE 19 LEFT TURN IND LT BLU WIRE LT GRN WIRE M/T MIL CTRL OIL PRESSURE GAUGE OPTIONS SW IN RESET SW IN E/M SW IN GND ORG/ WIRE PARK BRAKE SWITCH (ON PARKING BRAKE LEVER) PNK WIRE PPL RESET OPTION RIGHT TURN IND SEAT BELT IND SEC IND CTRL SECURITY IND SKIP SHIFT IND SOLID STATE SPEEDOMETER SPLICE PACK STAR CONNECTOR 1 (DASH HARN, SERIAL DATA LINK SUB-HARNESS) TACHOMETER TAN/WHT WIRE TRAC IND CTRL TRACTION IND TRIP/ ODO UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ON RIGHT REAR OF ENGINE COMPT) VOLTS GAUGE VSS OUT WARNING SYSTEM WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH (INSIDE SOLVENT CONTAINER)

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

1057 469 TRANS TEMP SEN GND MAP SEN GND 1226 239 340 PNK WIRE 3-2 SHIFT SOL (A/T) 2-3 GEAR BLOCK OUT (M/T) ECT SEN GND 587 (OR 687) 335 877 COOLING FANS SYSTEM ENG COOL FAN RLY 1 451 1867 1746 PNK WIRE 846 1101 ELECTRONIC SUSPENSION SYSTEM LIFT/DIVE SIGNAL ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK LT ENGINE OIL LEVEL SENSOR (ON RIGHT SIDE OF OIL PAN) FUEL INJECTORS FUSE 18 FUSE 22 GRN WIRE GRY OR WHT WIRE GRY WIRE GRY/BLK WIRE HEATED OXYGEN SENSOR, FRONT HEATED OXYGEN SENSOR, REAR HOT AT ALL TIMES PCM B FUSE 23 HOT IN RUN HOT IN RUN OR START HOT IN RUN, BULB TEST OR START KNOCK KNOCK HEATED OXYGEN SENSOR, REAR SENSOR 1 SENSOR 2 KNOCK SEN SIG FRONT LOW OIL LEVEL SW LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OXY SEN FUSE 15 PCM BATT SUPPLY SERIAL DATA PCM GND PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (ON RIGHT SIDE OF ENG COMPT) PPL PPL PPL 1670 1666 PPL/WHT WIRE PRND A TCC BRAKE SW PRND P CLUTCH SW PPL 420 776 48 1744 PRND B CMP SEN SIG ECT SEN SIG RED WIRE RED/BLK WIRE SEN GND SPLICE PACK 122 TAN WIRE TAN/WHT WIRE TR SIG B TR SIG C PCM IGN SUPLY PCM BAT SUPPLY CKP SEN GND UNDERHOOD FUSE BLOCK PCM FUSE 16 WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/T AIR PMP FUSE 50 AIR PUMP RELAY AUTOMATIC TRANS- MISSION AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION FLUID TEMP SENSOR BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL RELEASE SWITCH (ON BRACKET, FRONT OF BRAKE PEDAL) DK BLU WIRE DK BLU/WHT WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ENG F/PMP FUSE 13 FUEL PUMP AND SENDER ASSEMBLY (IN LEFT FUEL TANK) FUEL PUMP RELAY FUSE 19 GRN WIRE GRY OR WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START LO SW SW SW LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE M/T M/T A/T NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK/ NEUTRAL POSITION, BACK-UP LAMP SWITCH (ON LEFT SIDE OF TRANSMISSION) PESSURE CONTROL SOLENOID VALVE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL RED WIRE RED/BLK WIRE RELAY ENERGIZED REV SW SW RIGHT FUEL LEVEL SENSOR (IN RIGHT FUEL TANK) SECOND- ARY AIR INJECTION SOLENOID (ABOVE PCM) SECONDARY AIR INJECTION PUMP (LEFT FRONT OF ENG COMPT, ON SKID BAR) SPLICE PACK 100 (NEAR RIGHT HEADLAMP ASSEMBLY) SPLICE PACK 122 (BELOW BATTERY TRAY) SPLICE PACK 208 (RIGHT SIDE OF DASH) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID TRANS- MISSION FLUID TEMP SENSOR UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE