Volkswagen Passat B5 facelift (2000-2005) Horn circuit, with multi-function steering wheel

BLK WIRE BRN WIRE BRN/YEL WIRE DUAL HORN RELAY DUAL HORNS FUSE 40 FUSE 5 FUSE PANEL (UNDER LEFT SIDE OF DASH) HORN SWITCH HOT AT ALL TIMES HOT IN ON OR START IGNITION SWITCH LOCK ON MULTI-FUNCTION STEERING WHEEL CONTROL MODULE RED WIRE STEERING WHEEL CONTROL UNIT THIRTEEN-FOLD AUXILIARY RELAY PANEL (UNDER LEFT SIDE OF DASH) WHT WIRE YEL WIRE