Horn circuit for Mercedes-Benz S-class W221 (2005-2009)

10 11 8 CAN-C H CAN-C L 31 BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FAN RELAY MODULE FANFARE HORNS PUSHBUTTON FANFARE HORNS, AIRBAG CLOCK SPRING CONTACT FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES FRONT PREFUSE FUSE HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FANFARE HORN (BEHIND FRONT BUMPER) LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP NCA WIRE RED WIRE RIGHT FANFARE HORN (BEHIND FRONT BUMPER) RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP STEERING COLUMN MODULE (AT TOP OF STEERING COLUMN) STEERING WHEEL GEAR SHIFT SIGNAL PROCESSING MODULE (IF EQUIPPED) WHT WIRE YEL WIRE