Car Wiring Diagrams for Automatic a/c circuit for GMC Acadia II facelift (2019-2024)

AMBIENT LIGHT SNS SIG AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY HEATER CTRL AUXILIARY LOWER DUCT AIR TEMPERATURE SENSOR AUXILIARY UPPER DUCT AIR TEMPERATURE SENSOR BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLOWER MOTOR BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BRN WIRE BRN/BLK WIRE BRN/VIO WIRE COMPRESSOR SOI VALVE CTRL COMPUTER DATA LINES SYSTEM CTRL DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HUMIDITY SENS SIG HUMIDITY TEMP SENS SIG HVAC CONTROL MODULE INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL FUSE BLOCK LIN BUS 1 LIN BUS 2 LO SPD GMLAN SERIAL DATA LOGIC LOWER AIR TEMP SENS SIG MTR MTR LO MTR SPD CTRL ORG/ WIRE POWER DISTRIBUTION SYSTEM REAR BLWR MTR SPD CTRL REAR BODY FUSE BLOCK REAR DEFOG RLY CTRL RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE REF RUN/CRANK IGN 1 VOLT SOLAR SENS LO REF TEMP SENS LO REF UPPER AIR TEMP SENS SIG VIO WIRE VIO/GRY WIRE VOLT W/ REAR AIR CONDITIONER WHT WIRE WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

2.5L 3.6L A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR SOLENOID VALVE A/C ON IND A/C ON SWITCH AIR DELIVERY MODE CONTROL SWITCH AUTO IND AUTO SWITCH AUXILIARY COOLANT PUMP RELAY AUXILIARY HEATER COOLANT PUMP AUXILIARY HVAC CONTROLS (W/ REAR AIR CONDITIONER) BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DEFROST, LOWER AIR OUTLET IND DOWN SWITCH ENGINE CONTROLS IGNITION RELAY FAN DOWN SWITCH FAN SPEED HIGH SWITCH FAN SPEED LOW SWITCH FAN UP SWITCH GRN WIRE GRN/YEL WIRE GRY WIRE HIGH HEAT IND HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROLS ILL LEFT REAR CUSHION/ BACK SWITCH LEFT TEMPERATURE DOWN SWITCH LOGIC LOW HEAT IND LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH LEFT TEMPERATURE UP SWITCH MED HEAT IND NCA WIRE RECIRCULATION IND RECIRCULATION SWITCH RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT REAR CUSHION/ BACK SWITCH RIGHT TEMPERATURE DOWN SWITCH RIGHT TEMPERATURE UP SWITCH START STOP IND START/STOP SWITCH SYNC IND SYNC SWITCH TEMPERATURE UNDERHOOD FUSE BLOCK UP SWITCH UPPER AIR OUTLET IND VIO WIRE VIO/GRY WIRE WHT/GRY WIRE WINDSHIELD DEFROST IND YEL/BLU WIRE

AIR RECIRCULATION DOOR ACTUATOR AUXILIARY AIR TEMPERATURE DOOR ACTUATOR AUXILIARY MODE DOOR ACTUATOR BATT POS BATTERY FUSE BLOCK BLK WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/VIO WIRE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT AIR TEMPERATURE DOOR ACTUATOR POWER SUPPLY TRANSFORMER RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR SPLY UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VOLT VOLT 1 W/ REAR AIR CONDITIONER W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PNK WIRE YEL/BLK WIRE YEL/GRN WIRE

A/C EVAPORATOR TEMPERATURE SENSOR AIR INLET DR MTR CTRL 1 AIR INLET DR MTR CTRL 2 AIR INLET DR MTR CTRL 3 AIR INLET DR MTR CTRL 4 BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/VIO WIRE EVAP CORE TEMP SENS SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HVAC CONTROL MODULE HVAC MTR CTRL MODE DOOR ACTUATOR MODE DR MTR CTRL 1 MODE DR MTR CTRL 2 MODE DR MTR CTRL 3 MODE DR MTR CTRL 4 MODE DR REAR MTR CTRL 1 MODE DR REAR MTR CTRL 2 MODE DR REAR MTR CTRL 3 MODE DR REAR MTR CTRL 4 PASS MTR CTRL 1 PASS MTR CTRL 2 PASS MTR CTRL 3 PASS MTR CTRL 4 REAR MODE MTR CTRL RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SENS LOW REF TEMP DR MTR CTRL 1 TEMP DR MTR CTRL 2 TEMP DR MTR CTRL 3 TEMP DR MTR CTRL 4 TEMP DR REAR MTR CTRL 1 TEMP DR REAR MTR CTRL 2 TEMP DR REAR MTR CTRL 3 TEMP DR REAR MTR CTRL 4 VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PNK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

2.0L TURBO 2.5L 3.6L A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR BATT POS VOLT BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BRN/GRY WIRE BRN/RED WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLANT TEMP SIG COOLENT PUMP RLY CTRL CLOSE CTRL OPEN ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE (2.0L TURBO) (ABOVE STARTER MOTOR) ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/VIO WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES INLET TEMP SIG LOGIC OUTLET TEMP SIG RADIATOR COOLANT TEMPERATURE SENSOR RED/WHT WIRE SENS 5 VOLT REF 1 SENS LOW REF (2) SENS LOW REF 1 SIG GND SIG GND SENS LOW REF TEMP SENS 2 SIG TEMP SENS SIG UNDERHOOD FUSE BLOCK VALVE POSITION SIG VIO WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

2.0L TURBO BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR DRIVER INFORMATION CENTER DISPLAY ECM LIN BUS 1 ENGINE COOLANT PUMP (2.0L TURBO) ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 GND 17 GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND 4 GRY/BLU WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LOGIC MAIN ENGINE COOLANT FLOW CONTROL VALVE MOST SERIAL DATA (+) NCA WIRE RED/GRN WIRE RED/GRY WIRE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRY WIRE W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS YEL/BLU WIRE