Audi A5 I (2007-2011) Horn circuit

AIR BAG SPIRAL SPRING/ BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL MODULE IN STEERING WHEEL FUSE PANEL SC GRY WIRE GRY/YEL WIRE HORN RELAY HOT AT ALL TIMES FUSE FUSE 7 CARRIER (UNDER LEFT SIDE OF DASH) LOW TONE HORN HIGH TONE HORN NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RETURN SPRING (W/ SLIP RING) SIGNAL HORN ACTIVATION STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (ON STEERING COLUMN, VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (ON RELAY & FUSE PANEL) WHT WIRE YEL WIRE