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Old 08-09-2014, 09:04 PM #1
vicar vicar is offline
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Battery drain
My battery drains pretty quickly when the car is turned off. I'm not sure where to begin so I'm asking for help.

Some specs:
1. The battery is about 3 months old. I guess I could have a bad battery but it doesn't seem likely.
2. My Scangauge says it puts out about 14.5v when running and about 12.8 when I turn the car off. Are those normal figures?

Thanks for any help on how to go about trouble shooting.
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Old 08-09-2014, 09:36 PM #2
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Those are proper voltage values for the battery and alt.

If you have a multimeter, then this is what you should do next:

How To Perform a Parasitic Draw Test

It's pretty straightforward.
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Old 08-09-2014, 11:18 PM #3
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Great video. Thanks.
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