Horn circuit for Cadillac ELR I (2013-2015)

BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE GRY WIRE HORN FUSE HORN RELAY HORN RLY CTRL HORN SWITCH (IN STEERING WHEEL) HORN SWITCH SIG HOT AT ALL TIMES LEFT HORN (BEHIND LEFT END OF FRONT FASCIA) LOGIC LT BLU WIRE LT GRN/WHT WIRE NCA WIRE REAR BODY FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED WIRE RIGHT HORN (BEHIND RIGHT END OF FRONT FASCIA) STEERING WHEEL AIR BAG COIL (TOP OF STEERING COLUMN) WHT WIRE