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Can a loose battery cable cause other electrical problems?


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Answered 2009-06-30 15:03:08

== == A loose battery cable will allow the alternator to run 'open circuit'. This puts the engine computer and other equipment under alot of strain from having to deal with very poor quality power. (essentially pulsed dc with some high voltage spikes and varying with engine RPM) The battery greatly stabilizes this dirty power. Assuming you didn't fry your engine computer, I'd try just resetting it. Disconnect the negative battery cable. Wait 5 minutes. Hook it back up. Try to start it. Beware of doing this if you have an anti-theft radio or an ignition key with a chip in it. You'll likely end up needing the dealer. The harder the copper wire presses the more energy will flow through it.

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