Buick LaCrosse II facelift (2013-2016) Headlamps leveling circuit

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 GROUND 1 2 3 B+ B+ 2501 2500 COMPUTER DATA LINES SYSTEM AFL BATT FUSE AFL MTR FUSE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN/VIO WIRE GRY WIRE HEADLAMP CONTROL MODULE (LOWER LEFT SIDE OF DASH BEHIND BODY CONTROL MODULE) HI SPD GMLAN SER DATA (-) HI SPD GMLAN SER DATA (+) SER DATA COMM HOT AT ALL TIMES INT N/W BUS 6 INT N/W BUS 6 B+ B+ GND 3 1 2 4 LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HEADLAMP HORIZONTAL MOTOR NETWORK BUS 6 ORG/ WIRE RED WIRE RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HEADLAMP HORIZONTAL MOTOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) WHT WIRE WHT/BRN WIRE YEL WIRE