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Old 02-19-2013, 07:15 AM
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Reverse polarity on jumpstart

I had jumped start another car with my Grand Jeep Cherokee, and had left it to the other car owner to put leads on battery assuming that he knew what he was doing, the lead touch the wrong terminal momentarily which resulted in the heater working in reverse i.e hot has become cold and visa-versa, and no power to the driver door instrument panel, I have had a diagnostic scanning machine put on it and nothing has shown up, and have checked all of the fuses under bonnet and in foot-well.
Can anybody advise please.

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Old 02-19-2013, 07:20 AM
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Re: Reverse polarity on jumpstart

Disconnect the battery wait a few minutes and reconnect it, if you are lucky everything will be fine, you may have to reinitialize the power windows.
Otherwise maybe some control boxes have been damaged,

Good luck

Achim
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Old 02-19-2013, 11:32 AM
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Re: Reverse polarity on jumpstart

Hi Achim
Thank you for your help, I have disconnected the battery and these problems are what I have been left with. I just need to know how I would find out what control boxes have been damaged. I was hoping that maybe somebody would have been in the same situation as me at some time and therefore be able to use their expertise.
Kind regards
Tony
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Old 02-19-2013, 01:23 PM
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Re: Reverse polarity on jumpstart

welcome to jeepgarage!

I don't jumpstart anyone using my new vehicle, let alone allow some other guy to hook up himself.
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Old 02-19-2013, 01:42 PM
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Re: Reverse polarity on jumpstart

Well we sometimes learn the hardway! Thanks for your comment.
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