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1990 Voyager wiper issue

I have a 1990 Plymouth Voyager 3.3 litre with a windsheld wiper issue.

For some time now, the intermittent wipe hasn't worked (or only worked intermittently ;-))) and the wipe after wash feature is driving me nuts

- it insists on wiping for nearly 10 wipes after a wash, usually messing up the newly washed glass.

First - is the loss of intermittent wipe a problem with the motor (I've tried replacing the under-dash module with a couple of others from wrecked vehicles - no success)?

Second - is there a way of modifying the module's circuit so that it only wipes say 2 or 3 times after spraying cleaner fluid on the glass? A circuit diagram of the module would help me figure out how to change the timing circuit, but my manual obviously doesn't provide such a thing.

Dave

Reply to
davemcc
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Well if it is not the module, then it must be another part of the wiper electrical circuit. Could be the wiring harness itself or perhaps the wiper switch on the column.

I am an adventurous sort, but there are some things I wont touch - and underdash electrical (including steering column) is one of them. Take it to a shop / mechanic that specializes in automotive electrical.

Oh, and let us know what it was >I have a 1990 Plymouth Voyager 3.3 litre with a windsheld wiper issue. >

Reply to
NewMan

Probably the combination switch (turn, headlight beam selector, hazard, wiper). Not a difficult or particularly expensive part to replace. They last amazingly well, considering they're made by Lucas (no foolin'!). Second suspect: System grounds at the wiper motor and under the dash.

Not readily, no. I agree with you; that system does too many wipe cycles after you trigger the screenwasher. Very annoying. My fix: find the screenwasher wire where it comes off the combination switch connector at the base of the steering column, and reroute it directly to the screenwasher pump, bypassing the wiper control module. This way, YOU control the wiping action. The disadvantage is a small one: Instead of one-touch screenwashing, you must press the end of the stalk *and* rotate it to one of the wiper-on positions. This is a much smaller annoyance than the overly-helpful automatic implementation.

DS

Reply to
Daniel J. Stern

The wiper motor has a park switch built into it, if the switch is bad it could cause that exact problem. When you turn the wipers off from the switch do the wipers always park at the bottom of the cowl like they are supposed to? Glenn Beasley Chrysler Tech

Reply to
maxpower

Thanks for the suggestions. I will start looking at them.

The wipers always park at the right place. The intermittent wipe seldom works (should I say it works "intermittently"?) though.

Dave

Reply to
davemcc

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