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-   -   wipers blowing fuse immediately (http://www.peachparts.com/shopforum/diesel-discussion/307068-wipers-blowing-fuse-immediately.html)

chetwesley 10-19-2011 12:59 AM

wipers blowing fuse immediately
 
The other day I disconnected my battery with car running and wipers started moving on their own (powered by alternator which may have been putting out too high of a voltage at the time).

Now known that this maybe wasn't a great idea, so let's move on to how to fix the wipers as rainy season has just come upon us and I drive this car a lot.

I noticed wipers weren't working, so I checked fuses - it was blown. I replaced it, turned on the wipers, and it blew immediately again -- wipers didn't even move before it blew.

Any ideas as to what could be the potential causes of the fuse blowing, as in, what could have been burned out/shorted out when too much electricity had it's way with the wipers and other items on the wiper fuse ("optical horn" - don't know what that is).

If I remember, the wiper motor is a pain in the ass to get at... any ideas as to first items to look at? Is there a wiper relay of some sort?

barry123400 10-19-2011 05:48 PM

Thats what I neglected to post the other day. The relay may be bad from the overvoltage. I do not know the exact location of it.

The other thought was if the wipers started to operate without you turning them on during the higher voltage problem the wiper motor and contacts inside it are probably fine. Some member may be able to quote you where that relay is.

chetwesley 10-20-2011 04:15 AM

thanks. also have a service manual somewhere if i can dig it up on my old computer. it probably has the wiper electric diagrammed.

if anyone has any ideas it will help regardless.


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