Buick LaCrosse III (2016-2019) hvac control module (behind hvac controls) Wiring diagrams

AIR QUALITY SENS SIG AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLOWER MOTOR (BOTTOM OF HVAC BLOWER HOUSING) BLWR MTR SPD CTRL BRN WIRE BUS 15 COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DK BLU WIRE DK BLU/BRN WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE DOOR LOCKS, ANTI-THEFT SYSTEMS ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SUPPLY FUSE 33 FUSE 39 FUSE 4 GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HUMIDITY SENSOR SIGNAL HUMIDITY TEMPERATURE SENSOR SIGNAL HUMIDITY/WINDSCREEN TEMPERATURE SENSOR LOW REFERENCE HVAC CONTROL MODULE (BEHIND HVAC CONTROLS) INSIDE AIR TEMPERATURE SENSOR SIGNAL INSTRUMENT PANEL FUSE BLOCK LINEAR INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOGIC WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR LOW SPEED GMLAN SERIAL DATA LT GRN WIRE REAR DEFOG RELAY CTRL RED/DK BLU WIRE RED/LT BLU WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLTAGE SERIAL DATA SOLAR SENSOR DRIVER SIGNAL SOLAR SENSOR LOW REFERENCE VIO/GRY WIRE VIO/WHT WIRE W/ ONSTAR W/O ONSTAR WHT WIRE WINDSCREEN TEMPERATURE SENSOR SIGNAL YEL WIRE YEL/BLU WIRE YEL/RED WIRE

A/C EVAPORATOR TEMPERATURE SENSOR AIR IONIZER AIR IONIZER ELECTRODE BLK WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DUCT LEFT LOWER AIR TEMPERATURE SENSOR DUCT LEFT UPPER AIR TEMPERATURE SENSOR DUCT RIGHT LOWER AIR TEMPERATURE SENSOR DUCT RIGHT UPPER AIR TEMPERATURE SENSOR GRID - GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HVAC CONTROL MODULE (BEHIND HVAC CONTROLS) RED/WHT WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR SERIAL DATA VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BATTERY FUSE BLOCK BLK WIRE BRN WIRE BRN/VIO WIRE BRN/YEL WIRE DK GRN/YEL WIRE DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR FUSE 2 HOT AT ALL TIMES HTD MIR FUSE HVAC CONTROL MODULE (BEHIND HVAC CONTROLS) HVAC CONTROLS LEFT "C" PILLAR) LEFT REAR WINDOW DEFOGGER NOISE FILTER LOGIC NETWORK SERIAL DATA BUS 9 PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOG FUSE REAR DEFOG RLY CTRL NETWORK SERIAL DATA BUS 9 REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED/YEL WIRE RIGHT REAR WINDOW DEFOGGER NOISE FILTER UNDERHOOD FUSE BLOCK YEL WIRE