Horn circuit for Ford Expedition IV (2017-2022)

BATTERY JUNCTION BOX (BJB) BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (BCM) CLOCKSPRING FUSE 1 GRN WIRE GRN/WHT WIRE HORN HORN RELAY HORN RELAY (FET) HORN RLY IN HORN SW HORN SWITCH HOT AT ALL TIMES MICRO - NCA WIRE RED WIRE STEERING COLUMN CONTROL MODULE (SCCM) STEERING WHEEL) VIO WIRE VIO/GRN WIRE YEL WIRE YEL/RED WIRE