Front seat heater circuit for Mercedes-Benz S-class W140 facelift (1994-1999)
Front seat heater circuit
73/1
BLK WIRE
BLK/BLU WIRE
BLK/GRY WIRE
BLK/GRY/RED WIRE
BLK/VIO WIRE
BLU WIRE
BLU/GRN WIRE
BRN WIRE
BRN/WHT WIRE
BRN/YEL WIRE
CENTER CONSOLE
COMBINATION RELAY (LEFT REAR CORNER OF ENGINE COMPT)
FRONT SEAT HEATER CONTROL UNIT (UNDER LEFT SIDE OF REAR SEAT)
FUSE 29
FUSE 34 FUSE 22
FUSE BOX
GRY WIRE
GRY/BLU WIRE
HI LO
HOT AT ALL TIMES
HOT IN ACCY, RUN, OR START
LEFT FRONT BACKREST HEATER
LEFT FRONT SEAT HEATER SWITCH
NCA WIRE
OFF
RED WIRE
RED/YEL WIRE
RED/YEL/WHT WIRE
RIGHT FRONT BACKREST HEATER LEFT FRONT SEAT HEATER
RIGHT FRONT SEAT HEATER
RIGHT FRONT SEAT HEATER SWITCH
VIO WIRE
WHT WIRE
WHT/VIO WIRE
YEL WIRE
YEL/BLU WIRE