Horn circuit for Mercedes-Benz GL-class X166 (2012-2016)

BEHIND STEERING WHEEL) BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L IP CENTER HORNS BUTTON CLOCK SPRING CONTACT COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FANFARE HORN RELAY FUSE 20 FUSE 205 GRN WIRE GRN/WHT WIRE GRY WIRE HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FANFARE HORN LEFT FANFARE HORN SYSTEM BUTTON RED WIRE RED/BLK WIRE REL FF RELAY ENERGIZED RIGHT FANFARE HORN RIGHT FANFARE HORN SYSTEM BUTTON SAM CONTROL UNIT (RIGHT KICK PANEL) STEERING COLUMN MODULE STEERING WHEEL ELECTRONICS WHT WIRE