When I first purchased my 1988 505 GTi Wagon it had a couple of annoying
problems with the windscreen wipers as follows:
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the intermittent setting (first position) did not work - the wipers did not
move and adjusting the speed slider on the stalk made no difference; and
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while the low speed (second position) and high speed (third
position) wiper settings both worked, the wipers would not return to
the horizontal position automatically when the wipers were switched off.
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After spending a lot of time trying to locate the wiper control relay
(both physically and on the wiring diagram!) I gave up and posted a request
for help to the Yahoo Peugeot list. I received two replies the next day -
one from "Jason" and another from
"George". Using the information they provided I was
finally able to fix the problem (thanks guys).
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The procedure was as follows:
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Undo the screws that hold the plastic "knee
protector" up under the steering column and
lower it down to the floor.
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Locate the wiper control relay. On my 1988
wagon it has a blue plastic cover and is located
under the dash board to the right of the steering
column (refer to
photo).
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With the ignition switch in the accessories
position (car not running) you should be able to
hear the control relay click as you move the
wiper stalk from off to each position. If you
don't hear a "click" in the
intermittent wipe position, then possible
suspects are the contacts on the stalk slider
control or possibly the wiper control relay
itself.
To clean the wiper control relay and wiper switch contacts:
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The red arrow in the top right of this photo points to the wiper control relay (light blue housing).
Note that the long black plastic box (paging unit for the car alarm) and a lot of the other untidy green wiring
near this is not standard.
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Unplug the wiper switch from its wiring loom connector.
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Squirt some spray switch cleaner such as CRC
Switch Cleaner Lubricant (available from Dick
Smith Electronics) onto the wiper switch connectors
and wipe off the residue with a cotton wool bud.
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Squirt some cleaner into the socket for the
wiper switch, and also into the speed slider on the stalk.
Move the speed slider on the wiper control stalk up and
down a couple of times so that the cleaner can penetrate.
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Unplug the blue wiper control relay from its socket.
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Using the switch cleaner, clean the lugs on
the wiper control relay and also squirt some into its socket.
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Wait 15 minutes for any contact cleaner residue to
evaporate then plug the wiper control relay back in.
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To test if the cleaning worked, ensure that you have
waited for at least 15 minutes for any contact cleaner residue to
evaporate, then turn the ignition to the
accessories position and switch the wipers on to the first (intermittent)
position. Adjust the speed slider on the
stalk until it is on the fastest setting (furthest
away from the steering wheel). Hopefully, the wipers will
commence working as expected (and park correctly when switched off).
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