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1987 924s annoying wiper switch issue

 
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HDMacaw  



Joined: 04 Jul 2011
Posts: 24
Location: Tennessee

PostPosted: Sun Jul 25, 2021 12:39 am    Post subject: 1987 924s annoying wiper switch issue Reply with quote

The intermittent wipers are about to drive me off the deep end

I believe the issue is in the steering column switch itself. just moving the selector to the first detent yields nothing, second and third detent (slow and fast) work normally.
In the first detent position if I pull the lever towards me just a little (not enough to activate the washers) the intermittent will work perfectly.
I've replaced the switch, replaced the relay, checked all the wiring/plugs, even cleaned the contacts and checked that all springs are present on the replacement switch and still no intermittent joy

Any suggestions?
TIA
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jacobroufa  



Joined: 18 Nov 2016
Posts: 455
Location: Rockford, IL

PostPosted: Sun Jul 25, 2021 3:33 am    Post subject: Reply with quote

I have had this issue with replacement relays at least twice. They work briefly and burn out within a couple months, yielding the symptoms you describe exactly.
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1980 Porsche 931
1981 Porsche 924 Weissach
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16again2009  



Joined: 04 Dec 2014
Posts: 68
Location: tulsa, ok

PostPosted: Fri Jul 30, 2021 11:59 am    Post subject: Reply with quote

I have had some experience with this. If you look in the crack between the steering wheel and the hub, from the top, you will see a small metal tab. You need to bend it a little bit so it makes contact. Just bend it a little at a time until you get it right. No need to remove the wheel, just use a screw driver.Good Luck
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1988 porsche 924s
5 speed
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