Horn circuit for Buick LaCrosse I (2004-2009)

BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) DK GRN WIRE GROUND DISTRIBUTION SYSTEM HORN ASSEMBLY (RIGHT FRONT OF VEHICLE) HORN FUSE 11 HORN RELAY 39 HORN RLY CTRL HORN SWITCH HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING COLUMN) NCA WIRE STEERING WHEEL) TAN WIRE UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER)