Car Wiring Diagrams for Automatic a/c circuit for Cadillac CT4 I (2019-2024)

A/C COMPRESSOR CLUTCH RELAY A/C EVAPORATOR AIR TEMPERATURE SENSOR AIR TEMP SENS SIG ANTI-THEFT SYSTEM AUXILIARY UNDERHOOD FUSE BLOCK BATT POS VOLT 22 BATTERY FUSE BLOCK BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (RIGHT SIDE OF HVAC MODULE) BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BLWR SPD FEEDBACK SIG BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER SOLAR SENS SIG GND 14 GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HVAC REM ENABLE SIG HVAC SYS ENABLE SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LH AIR TEMP SENS SIG LH UPPER TEMP SENS SIG LIN BUS 5 LIN BUS 6 LOGIC NCA WIRE NOT USED RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE RH UPPER TEMP SENS SIG SENS LO REFE SOL VLV CTRL SUNLOAD TEMPERATURE, AMBIENT LIGHT, SECURITY INDICATOR SENSOR TEMP SENS SIG UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE

A/C COMPRESSOR (LOWER LEFT FRONT OF ENGINE) A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE A/C IND A/C SWITCH AMBIENT AIR TEMPERATURE SENSOR AUTO IND AUTO SWITCH BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DATA DEFROST SWITCH DEFROST, LOWER AIR OUTLET SWITCH DEFROST, OUTLET LOWER IND DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS SYSTEM FAN DOWN SWITCH FAN UP SWITCH GRN/VIO WIRE GRY/GRN WIRE HVAC CONTROLS INSTRUMENT CLUSTER LEFT TEMPERATURE DOWN SWITCH LEFT TEMPERATURE UP SWITCH LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH MOST SERIAL NCA WIRE ON/OFF IND RECIRCULATION IND RECIRCULATION SWITCH RED/BLU WIRE RIGHT TEMPERATURE DOWN SWITCH RIGHT TEMPERATURE UP SWITCH SYNC IND SYNC SWITCH UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH UPPER, LOWER AIR OUTLET IND UPPER, LOWER AIR OUTLET SWITCH VIO/BLU WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT/GRY WIRE WHT/YEL WIRE

2.0L TURBO 2.7L TURBO A/C REFRIGERANT PRESSURE SENSOR BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE COMPUTER DATA LINES SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE (REAR OF GENERATOR) GRN WIRE GRN/BRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS FUSE BLOCK LEFT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR LOGIC PROGRAMMABLE AIR INLET VALVE ACTUATOR PROGRAMMABLE MODE VALVE ACTUATOR RADIATOR COOLANT TEMPERATURE SENSOR RED/GRN WIRE RIGHT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BLK WIRE

2.0L 5-VOLT REF 1 ACTR CTRL CLS ACTR CTRL OPN BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE CLTH RLY CTRL COMPUTER DATA LINES SYSTEM COOLANT TEMP SIG ENGINE CONTROL MODULE (UPPER RIGHT SIDE OF DASH) ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT PUMP ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE COOLING FAN MOTOR GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND 61 GRY/VIO WIRE HOT AT ALL TIMES IGN 1 VOLT 4 INSIDE AIR MOISTURE, WINDSHIELD TEMPERATURE SENSOR LIN BUS 1 LOGIC NCA WIRE PASSENGER COMPARTMENT AIR FILTER MODULE PRESS SENS SIG RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE SENS 2 SIG SENS LO REF 1 SENS LO REF 2 TEMP SENS SIG TEMP SIG VIO WIRE VIO/GRN WIRE VIO/GRY WIRE VLV POS SIG VOLT 8 W/ INTR, AIR CLEANER, IONIZING EQUIPMENT W/O WIPER SYSTEM WINDSHIELD WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE