Windscreen wipers

With the stalk switch in position I, "low speed", current is supplied to pin 3 of the wiper motor from pin 8 of the stalk switch. The motor runs at low speed.

With the stalk switch in position II, current is supplied instead from pin 7 of the stalk switch to pin 4 of the wiper motor. The motor now runs at maximum speed.

With the stalk switch in position J, "intermittent operation", current is supplied from pin 10 of the stalk switch to pin 39 of the ICE control module.

Pin 59 of the ICE control module grounds intermittent operation relay 83 for 0.5 seconds every 8th second.

The wiper motor incorporates a mechanically actuated switch which is supplied with current regardless of the position of the stalk switch.

The switch controls the current so that the wiper motor always returns to the parked position when the circuit is broken by the stalk switch. When the wiper motor reaches the parked position, the mechanically actuated switch opens the circuit and the motor stops.

Washing starts when the stalk is moved towards the steering wheel (spring-loaded). Current is supplied to the washer motor and the ICE control module from pin 5 of the stalk switch. The ICE grounds the intermittent operation relay and the wipers sweep the windscreen four times. After eight seconds the ICE grounds the relay again for 0.5 seconds.