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Old 06-28-2011, 10:29 AM   #1 (permalink)
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Unhappy Parasitic Battery Drain

How does one go about finding a parasitic battery drain?
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Old 06-28-2011, 10:41 AM   #2 (permalink)
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First step is to pull fuses one at a time and use a voltmeter to see if there's still current there, with the car off.

If you find one that's hot with the car off, there's your drain...track down that wiring and inspect/fix/replace it.

These can be a long, painful experience to find, but you're better off NOT paying someone else the labor hours to find it.




The most common one I've seen is the trunk light getting stuck on because of a bad wire.

Last edited by monkeydad; 06-28-2011 at 10:45 AM.
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Old 06-28-2011, 11:34 AM   #3 (permalink)
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It may also be the battery. When mine started to lose the ability to hold its charge it almost always needed to be jumped. I had mistaken it for a wiring problem and went mad looking for it.

If it's not a new battery see if you can get it checked.
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Old 06-29-2011, 08:19 AM   #4 (permalink)
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Quote:
Originally Posted by monkeydad View Post
First step is to pull fuses one at a time and use a voltmeter to see if there's still current there, with the car off.

If you find one that's hot with the car off, there's your drain...track down that wiring and inspect/fix/replace it.

These can be a long, painful experience to find, but you're better off NOT paying someone else the labor hours to find it.




The most common one I've seen is the trunk light getting stuck on because of a bad wire.
Very good . Thank you. New battery. And so it begins.
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Old 06-29-2011, 08:36 AM   #5 (permalink)
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Id take it to the dealership or a hardware store and have them test your battery. Takes like 5 mins.
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Old 06-29-2011, 10:34 AM   #6 (permalink)
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Maybe he meant auto parts store.

Autozone or Advanced will do a free load test on the battery, I'd recommend Autozone because if you DO need a new battery, their Duralast battery is one of the best you can buy. I have one in each of my cars.
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Old 06-29-2011, 12:45 PM   #7 (permalink)
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Click search feature up top and type in: parasitic battery drain. Shoz123 and Jeff K. have written how-to tutorials on this. Might be something in the topic finder, too?

Last edited by sheila; 06-29-2011 at 02:07 PM.
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