JK going haywire - JeepForum.com
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post #1 of 9 Old 07-21-2013, 08:08 PM Thread Starter
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JK going haywire

I got stuck in rain storm 2 days ago. I had about 3" of water on floor and dash was soaked. It will start but my dash lights don't work, the wipers won't shut off and it will not go in to gear. It's a 4 speed auto. If I pull battery wire and re hook it everything works correctly. As soon as I shut it off and restart it everything goes haywire again. Any suggestions on how to fix it?

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post #2 of 9 Old 07-21-2013, 08:30 PM
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Let it sit in some hot sun and dry out completely. That's all I can think of.

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post #3 of 9 Old 07-21-2013, 08:36 PM
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Sounds like you have a Communications bus problem. Anytime the bus goes down it automatically turns the headlamps and wipers on. I would check under the dash and start disconnecting connectors. See if any water drains out of them. Pull the floor plugs to let all the water drain out and dry her out really good. Wouldn't be a bad idea to get some electrical contact spray to dry out all the connectors and pack them with a little dielectric grease in case this ever happens again.
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post #4 of 9 Old 07-21-2013, 08:36 PM
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I'm with that guy ^^^

Maybe pull the dash apart and sit a fan inside. It takes very little to piss the canbus off...a finicky ground or an intermittent short from the water. Good luck.
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post #5 of 9 Old 07-24-2013, 10:37 AM
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Just adding to what the first couple of guys said. I usually use a dehumidifier inside, and close all the windows. Usually dry by morning, and when I say dry I mean really dry.

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post #6 of 9 Old 07-24-2013, 11:10 AM
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Wrong post-


Yellow Jeep No. 683

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post #7 of 9 Old 07-24-2013, 10:27 PM
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Same thing happened to me. Except after I reset the battery it went away. I took mine to the carwash and thoroughly vacuumed it out then left it to dry for a day in the Houston heat.
There have been others with the same issue after rain.

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post #8 of 9 Old 07-25-2013, 05:21 AM Thread Starter
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I checked all plugs on inside, cleaned and lubed them and still not fixed. every thing on inside is dry.
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post #9 of 9 Old 07-25-2013, 07:48 AM
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Doubting it. Either put a drying agent in it and button it up, or open it up if it is hot. And disconnect the battery through the process. The missus runs through every mudhole she can. And it takes MONTHS to dry it completely out.

Bob K.

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