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About 5 or so times in the past couple weeks, I will be driving and ALL of the lights on my instrument cluster will light up for a few seconds then turn back off. No real commonalities between occurences that I've seen. Anyone have any guesses? Ignition switch maybe?
 

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I had a similar issue where it would appear as if i took the key and turned the Jeep off then on repeatedly. The Jeep still drove fine and acted normal fir the exception of the cluster going crazy. After explaining to the forum what It might be looking for an answer before i took it to the dealer, it was suggested an ignition switch. Turned out the codes that were pulled pointed to a faulty ignition switch. It was replaced under warranty so i don't know the cost of something like that. Hope this helps.
 

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I had the same issue on my 05 4.7L WK. There are a couple of large multi-pin connector blocks under the dash on the drivers side inside the cabin. I disconnected the battery then took those apart and cleaned them with a good electrical contact cleaning spray.
That fixed the issue for me.
 

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You have alot of Keys? have you recently powerwashed the motor. I had the same problem....I went down to 1-3keys and now power wash the motor (low pressure) with a bag over the ignition unit and the problem has gone away...
 

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I think a new ignition switch is around $50 or so. Probably something you can do yourself. This may help.

http://www.jeepgarage.org/showthread.php?t=9891&highlight=ignition+switch
I actually saw one for thirty, but do you have to re learn the key or anything when you put a new switch in?

I as well have the same problem and it happens at the weirdest times, sometimes not for months and then it will come back to haunt me. My switch seems loose where you stick the key in, has a lot of play so I'm thinking that is prob the case. I do want to try what a guy said a few posts up by cleaning out the wires under the dash, might help as well.

Also one more thing and this is just a theory. I have a broken off ground strap under my car, its the one that goes from the exhaust to the body. I've never got around to fixing it but could be part of the problem.
 

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Hello all friends!
Sorry for my English, a translator Google.
We are witnessing in Russia is often the same problem!
This problem occurs most often in damp cold weather.
Found the solution! Need to change the contact group, the ignition switch.
Problem was solved TriA service in Moscow. I thank them for it ...
I would be glad if it is useful to you!
Discussion topic: http://jeepgarage.ru/forum/topic.php?forum=63&topic=16
 
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