At random times my turn signals, windshield wipers, radio, and cigarette lighter will not work in my 1998 Jeep Wrangler. It is not a fuse problem, as I checked them all. Also, these items will start working again and I don't know why.
I can wiggle the turn signal and windshield wiper arms and this has no effect on anything. Likewise, hitting a bump in the road doesn't do anything either.
I had a similar problem with my 2000 Jeep TJ and I found the problem in the wiring harness under the hood.several wires were corroded and almost burnt off.If you remove the black tape which keeps the harness bundled together and if you see evidence of "green" type powder or "gook" it's most likely where the wires have faulted.
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