Bosch position fog light switch NOS

Classic Bosch position fog light switch in new old stock (nos) condition. At the rear side of the packing is the instruction and wire diagram. The switch length is 9 cm and the diameter of the knob is 2,6 cm. Info from instruction: By the use of the Bosch position switch, fog warning lamps may be switched on separately, if visibility conditions make special rear lightning necessary. Made in Germany.