Chevrolet Corvette C5 (1997-2004) engine coolant temperature (ect) sensor (left side of engine, below generator) Wiring diagrams

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

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

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