Automatic a/c circuit for Buick LaCrosse II (2009-2013)

A/C COMPRESSOR SOLENOID VALVE AIR QUALITY SENSOR (BELOW AIR INLET GRILL PANEL) BLK WIRE BLK/DK BLU WIRE BLOWER MTR SPD CTRL BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN LOW SPEED RELAY DEFOGGER SYSTEM DK BLU WIRE DK BLU/LT GRN WIRE FUSE GRN WIRE GRN/YEL WIRE GRY WIRE GRY/DK BLU WIRE GRY/LT GRN WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG TWILIGHT SENTINEL DELAY SIG HVAC CONTROL MODULE INSIDE AIR TEMP SENS LOW REF REAR DEFOG RLY CTRL LEFT COOLING FAN HIGH SPEED RELAY LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LT GRN DK BLU/ WIRE LT GRN/VIO WIRE RED/VIO WIRE RED/WHT WIRE RIGHT COOLING FAN HIGH SPEED RELAY SOLAR SENS DRV SIG TEMP SENS LOW REF UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/DK BLU WIRE YEL/RED WIRE

A/C SWITCH AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM AUTO A/C SWITCH BLK WIRE BLOWER SPD DN BLOWER SPD UP BRN/YEL WIRE DEFROST SWITCH DK BLU WIRE GRN/YEL WIRE GRY WIRE IND POWER ON LEFT COOLING FAN MOTOR LOGIC LT GRN/VIO WIRE MODE DOWN MODE UP POWER ON SWITCH RADIO/HVAC CONTROLS RECIRCULATOR SWITCH RED/VIO WIRE RIGHT COOLING FAN MOTOR SWITCH DEFOGGER TEMP DOWN TEMP UP WHT WIRE WHT/DK BLU WIRE WINDSHIELD YEL WIRE

BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLOWER MTR SPD CTRL BLOWER MTR SPLY VOLT BLU WIRE BRN/YEL WIRE DK BLU WIRE DUCT LEFT LOWER AIR TEMPERATURE SENSOR (LEFT SIDE OF HVAC CONTROL MODULE) DUCT LEFT UPPER AIR TEMPERATURE SENSOR (LEFT SIDE OF HVAC MODULE) DUCT RIGHT LOWER AIR TEMPERATURE SENSOR (BEHIND HVAC CONTROL MODULE) DUCT RIGHT UPPER AIR TEMPERATURE SENSOR (RIGHT SIDE OF HVAC MODULE) FT BLOWER MTR LOW REF FUSE GRY/DK GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT LT GRN/VIO WIRE PPL/GRY WIRE RED WIRE RED/BRN WIRE RED/VIO WIRE SIDE OF DASH) UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) WHT/PPL WIRE

3.6L A/C LOW REF A/C SENS SIG AIR INLET ACTUATOR (RIGHT SIDE OF HVAC MODULE) AIR RECIRCULATION DOOR ACTUATOR BATT+ VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE ENG TEMP SENS SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXCEPT 3.6L GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/DK GRN WIRE GRY/RED WIRE GRY/WHT WIRE HI SPD FAN RLY CTRL HVAC CONTROL MODULE LEFT AIR TEMPERATURE DOOR ACTUATOR (LEFT SIDE OF HVAC ASSEMBLY) LO SPD FAN RLY CTRL LOGIC LOWER LEFT AIR TEMP SENS SIG LOWER RIGHT AIR TEMP SENS SIG LT GRN WIRE LT GRN/VIO WIRE MODE DOOR ACTUATOR ORG/ WIRE ORG/BLU WIRE PPL/GRY WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR (RIGHT SIDE OF HVAC MODULE) SENS LO REF SENS LOW REF SIG GND TEMP DR STEPPER MTR CTRL 1 VIO/BLU WIRE WHT WIRE WHT/PNK WIRE WHT/PPL WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE