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Old March 3rd 06, 05:57 PM posted to rec.autos.makers.jeep+willys
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Default 2002 Grand Cherokeewipers

the wiper motor has a park switch in it and it's now damaged

billy ray wrote:

> Mike, I just sent him the '02 WJ wiper electrical diagnosis info.
> Hopefully he will let us know what he finds.
>
> "Mike Romain" > wrote in message
> ...
> > That is the biggest killer of the control modules and intermittent
> > modules.
> >
> > For some strange reason, the modules aren't fused and when the wiper
> > motor sits under load drawing 20+ amps, it lets the smoke out of them.
> >
> > My CJ7's is like that and the $tealer want damn near $500.00 for a new
> > intermittent module. Mine still park though. My module has smoked out
> > diodes in it. A couple 50 cent parts....
> >
> > The motor (mine is anyway) is like the GM one I believe with a unique
> > ground for the brass ring to park the motor. You 'could' have burned a
> > spot on the brass parking ring so the ground is open and they just stop
> > when the switch is off. Some solder would fix that up....
> >
> > I think opening up either the motor or the module is needed to find out
> > which one when belly up unless there is some code they throw. (unlikely,
> > but someone here might know)
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
> > Canadian Off Road Trips Photos: Non members can still view!
> > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> > (More Off Road album links at bottom of the view page)
> >
> > wrote:
> >>
> >> During a recent ice storm my wipers were locked in the ice and could
> >> not free themselves.
> >> After I freed them with the scraper they won't park properly, that is
> >> they don't home at the end of a cycle. I have been told that I need
> >> either a new motor or a control module. My
> >> background with GM cars tells me that I have a bad ground to the motor
> >> but that doesn't seem to apply here. Has anyone had this problem and if
> >> so what is the correct fix.
> >> Thanks in advance, Mike


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