Car Wiring Diagrams for Horn circuit for BMW X3 E83 (2003-2006)
Horn circuit
BRN WIRE
BRN/BLK WIRE
BRN/RED WIRE
FUSE
GRN WIRE
HORN RELAY
HORN SWITCH
HOT AT ALL TIMES
HOT IN ACC, RUN OR START
LEFT HORN (EXCEPT 2007) HORN (2007)
NCA WIRE
POWER DISTRIBUTION (RIGHT SIDE OF DASH)
RED/YEL/WHT WIRE
RIGHT HORN (EXCEPT 2007) HORN 2 (2007)
VIO WIRE
VIO/BLK WIRE
VIO/BLU WIRE
VOLUTE SPRING