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Unread 08-25-2015, 09:06 AM   #1
swanyswan
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1997 TJ Wrangler 
 
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Windsheild Wipers Malfunction

Hello all! I'm new to the forum and have been having some issues with my Jeep. Last year my buddy and myself rebuilt the engine in my 4.0 1997 Wrangler. It was a great learning experience for me and since then I've tried to fix everything myself. I've had a few things come up lately that I just can't seem to figure out. One of them being my windshield wipers.

If my head lights are off - wipers will stay off, however when I use the turn signal wipers will run

If my head lights are on - wipers will run constantly

Once the wipers start running on their own no amount of fiddling with the wiper lever will make it stop. Sometimes tho they will stop.

The only way I've seemed to fix this is by taking out the fuse for the wipers. I live in Florida & it's during the rainy season so this is really getting on my nerves.

Any help would be greatly appreciated. I'm not a mechanic, but if you can point me in the right direction with a few steps I can usually figure it out.

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Unread 08-25-2015, 09:33 AM   #2
biffgnar
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There are couple guys on here who are very good with electrical and will hopefully come along shortly, but IIRC the wiper motors share a ground with the headlights and/or the signals. I think its on the tub behind one of the headlights.
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Unread 08-25-2015, 09:59 AM   #3
swanyswan
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Sounds great, thanks!

I found this thread while searching through the forums, got some investing to do.
http://www.jeepforum.com/forum/f9/he...55/index2.html
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Unread 08-25-2015, 10:30 AM   #4
Rubi4MyMrs
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You have a bad ground above the driver’s side headlight. When that happens, believe it or not, the headlights/signals back feed through the washer pump (also grounded there) & causes the wipers to run regardless of the wiper switch position. Remove the ground bolt & clean all contact points, wire terminals & body around the bolt hole until they are clean & shinny.


Edit. I see you found it in that link.
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Unread 08-25-2015, 07:33 PM   #5
swanyswan
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Awesome thanks for the reply! Will try that out tomorrow after work. I did notice that my high beams also do not work.

Oddly enough I went to go fix this tonight and instead my Jeep decided not to start. Took the battery out, tested it, cleaned the terminals and banged on the starter. Got her going again. I'm pretty sure it's a starter issue. Might have to take it in tho, bolts are on there really good and I can't get them off. Tried some PBB Blaster but they aren't budging. Blahhh one thing at a time
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Unread 08-27-2015, 07:51 PM   #6
swanyswan
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Quote:
Originally Posted by Rubi4MyMrs View Post
Remove the ground bolt & clean all contact points, wire terminals & body around the bolt hole until they are clean & shinny.
Thanks for your help I did just what you said and wipers stopped being crazy! My high beams still don't work, so I'll have to look into that still.

Replaced the starter as well tonight.

Next I'll figure out that high beam issue and I've got a loud clacking sound going on. It never ends...
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Unread 08-27-2015, 08:43 PM   #7
Rubi4MyMrs
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Most likely the dimmer switch is bad. Same power goes to it for both high & low beams. Output for the high beam lights also goes to the indicator. Not getting the indicator pretty much eliminates the unlikely situation of both high beams being out (& the indicator bulb too).
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Malfunction , windshield wiper , wipers

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