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Tracking down my battery killer (Possible electrical short?)

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Old Jun 24, 2009 | 11:42 AM
  #1  
k-series's Avatar
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Default Tracking down my battery killer (Possible electrical short?)

I have a 95 Si that has a battery draining short somewhere. Is there a way to track it down or at least narrow it down?

I thought it might be the little button under the pedal for the brake light, but the light works and it's not on when I'm out of the car.

If it was a short, wouldn't it just pop a fuse?


Any other ideas/suggestions?


Thanks,
Steve
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Old Jun 24, 2009 | 02:17 PM
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Default Re: Tracking down my battery killer (Possible electrical short?)

Do a parasitic draw test
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Old Jun 24, 2009 | 02:19 PM
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Default Re: Tracking down my battery killer (Possible electrical short?)

http://flashoffroad.com/electrical/B...teryDrain.html
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Old Jun 24, 2009 | 02:33 PM
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Default Re: Tracking down my battery killer (Possible electrical short?)

^^ i was gonna suggest doin that..

thanks for beating me to it!
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Old Jun 24, 2009 | 04:13 PM
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fcm
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From: kelowna, bc, canada
Default Re: Tracking down my battery killer (Possible electrical short?)

Originally Posted by k-series
I have a 95 Si that has a battery draining short somewhere. Is there a way to track it down or at least narrow it down?

I thought it might be the little button under the pedal for the brake light, but the light works and it's not on when I'm out of the car.

If it was a short, wouldn't it just pop a fuse?


Any other ideas/suggestions?


Thanks,
Steve
Yes, a short would blow a fuse, a minor short could be dissipated by heat and not blow a fuse but is very rare.

As mentioned, do a parasitic draw test, can also be done with a 12V test light, [actually works better] connect the same as with a meter, disconnect a batt. lead and install test light in series, if there is a draw the test light will turn on, then one by one start pulling and replacing fuses when the test light goes out you have found the circuit that is drawing power, then it is just a matter of unplugging, one by one any loads on the circuit till light goes out again. 94
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Old Jun 26, 2009 | 10:51 AM
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Default Re: Tracking down my battery killer (Possible electrical short?)

Awesome, thanks guys!


Steve
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