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2015 dyna fat bob battery keeps draining overnight.

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Old Sep 13, 2020 | 01:15 PM
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Default 2015 dyna fat bob battery keeps draining overnight.

2015 dyna
fat bob with new battery keeps draining after a few days. I disconnected negative cable and attached test light to neg. cable and back to neg. battery terminal, it lights up. A short somewhere. Any ideas of where to find problem?
 
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Old Sep 13, 2020 | 03:20 PM
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Un plug the voltage regulator and check again with your test light
 
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Old Sep 14, 2020 | 09:37 AM
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How long has the issue existed?

You say a new battery is in bike, did the problem exist with the old battery?

A test light will not tell you what you need to know, you need to get a multimeter (a 10 dollar cheapie will do fine).

It is not a short...
 

Last edited by Dan89FLSTC; Sep 14, 2020 at 09:49 AM.
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Old Sep 20, 2020 | 05:28 PM
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If it’s a autostore battery, check the date on it...I bought a “new” battery that turned out to be 3 years old sitting there...wouldn’t hold a charge....some auto stores don’t sell many motorcycle batteries so they sit there....check the date, .load test that bad boy then check for a short.
 
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Old Sep 20, 2020 | 06:03 PM
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If you can wait a few days Lowe's had them on an order basis. Also check local battery shops maybe they carry your battery with a more recent date on it.
 
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