Horn circuit for Volvo XC70 II facelift (2013-2016)

BLK WIRE BLK/VIO WIRE BLU/WHT WIRE CEM CENTRAL ELECTRONIC MODULE (CEM) (BEHIND RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM CONTACT REEL (TOP OF STEERING COLUMN) FUSE GRY/BLK WIRE GRY/ORG WIRE HORN 1 (RIGHT FRONT OF ENGINE COMPT) HORN 2 (LEFT FRONT OF ENGINE COMPT) HORN CONTACT (IN STEERING WHEEL) HORN RELAY HOT AT ALL TIMES NCA WIRE RED/BLK WIRE RED/BLU WIRE STEERING WHEEL MODULE (IN STEERING COLUMN) VIO/GRN WIRE VIO/ORG WIRE