Buick LaCrosse III (2016-2019) Horn circuit

BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE GRN WIRE GRY WIRE HORN FUSE HORN RELAY HORN RELAY CONTROL HORN SWITCH HORN SWITCH SIGNAL HOT AT ALL TIMES LEFT HORN RED WIRE RIGHT HORN STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE