Horn circuit for Audi Q7 4L facelift (2009-2015)

BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE CARRIER FUSE PANEL B (LEFT INSTRUMENT PANEL) GRN WIRE HORN SIGNAL ACTIVATION HOT AT ALL TIMES LOW TONE HORN HIGH TONE HORN NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RELAY & FUSE CARRIER (CENTER INSTRUMENT PANEL) DUAL TONE HORN RELAY SPIRAL SPRING STEERING COLUMN ELECTRONIC SYSTEMS CONTROL MODULE (IN STEERING COLUMN ASSEMBLY) STEERING WHEEL CONTROL HEAD VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE