Buick LaCrosse II (2009-2013) Compressor circuit

A/C COMPRESSOR SOLENOID VALVE A/C LOW REF A/C REFRIGERANT PRESSURE SENSOR (FRONT OF ENGINE COMPT, MOUNTED TO CONDENSER) A/C SENS SIG BATT+ VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK BLU/LT GRN WIRE ELECTRIC CTRL ELECTRIC SPLY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXCEPT 3.6L 3.6L FUSE GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE IGN 1 VOLT LT GRN WIRE RED/BRN WIRE RED/WHT WIRE SERIAL DATA SIG GND UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/GRY WIRE WHT WIRE