Slough built car wipers

[Simon FarrerParticipant]

I have recently purchased my Light 15. The wipers were not working. I have sorted the electrics so I now have power to the motor and two wires go to the control in the dash. The wipers operated for 3 or 4 sweeps of the screen and then stopped, and have not worked again. There is still power to the motor. I would be grateful if anyone can give me any information on how the mechanism that the interior knob operates works, and how the motor is switched on. Thank you for your help.

[ChrisParticipant]

I don’t have a Slough car but have just had to attend to my flat boot Normale’s wipers. I imagine you have the later style of wipers with. Lucas motor operating a cable-type rack common to all sorts of British cars of the 50s and 60s. If you are sure there is +12 volts getting to the motor, the next thing to be sure of is the earth. That’s what stopped mine. If that’s ok then either your motor brushes have a problem or there’s a problem in the park switch in the motor. I suppose it is also possible that the rack has got jammed, maybe in the wheel-box that drives one of the wiper spindles. From my memory of fiddling with my Triumph’s wiper motor, I think taking the cover off the gear that drives the rack is quite easy and exposed the gear that drives the rack. It also exposed the cam that drives the self park switch. I’d go there before having a look at the brushes. Not sure if this helps.

Chris

[Simon FarrerParticipant]

Thank you Chris for your reply.

The Slough wipers are turned on and off by turning the spindle knob in the car. The spindle runs through a switch mechanism. It is this that I believe may be the issue and I am trying to understand how this works. As far as I understand there is no park mechanism in the motor as they are parked manually with the spindle knob.

Simon

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