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Old 12-19-2016, 05:40 PM
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Smile I accept that I may be the worst mechanic in existence!

I bought a junkyard battery for my jeep so I could sell it and I crossed the terminals like a complete moron when installing it. I noticed smoke billowing from under the engine bays fuse box. However, the fuses are all fine. Is there any reverse current protection in jeeps or did i just completely fry every electrical component in my engine bay? After putting the old battery back in it and trying to start it, it turned over for a good 10 seconds but never started.

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Old 12-19-2016, 06:18 PM
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Re: I accept that I may be the worst mechanic in existence!

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Old 12-20-2016, 04:15 AM
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Re: I accept that I may be the worst mechanic in existence!

I expect some wire which caused the smoke. Did you check all the wires for melted insulation?
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Old 12-31-2016, 04:48 PM
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Re: I accept that I may be the worst mechanic in existence!

That could have caused a bunch of potential damage. I would start with the basics and see if you have spark and fuel. Check your fuses and any easy to see wires. Any trouble codes?
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