Second Hand Wiper switch TR250 and TR5 by Clear Hooters Ltd. For DR3A wiper motor. This switch is no longer available. Click 'MORE' for alternatives.

This original switch has 3 positions and 3 connections marked S one end F the other and an unmarked central terminal connected to earth.

With the switch in the central position there are no  connections

With the switch in the slow position both S and F are connected to the central connection

With the switch in the fast position F is connected to the central connection

For reference the very similar switch 151431 used to operate the CP/CC TR6 wiper motor has 4 connections and cannot be used to operate a DR3A 2 speed motor.