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hpr2298 :: Phantom Power Drain

diagnosing a phantom power drain on an automobile

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Hosted by brian on 2017-05-24 is flagged as Explicit and is released under a CC-BY-SA license.
Tags: automotive.
Listen in ogg, spx, or mp3 format. | Comments (2)

  1. disconnect negative battery cable.
  2. connect multimeter between battery and cable.
  3. read amp draw... 15-20 millivolts milliamps is on the high end.
  4. unplug fuses one at a time, until the problem circuit is identified.

... some lip smacking, and vocal fry.

Corrected 2017-05-27 - Editor


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Comment #1 posted on 2017-05-27T15:54:59Z by brian


Those show notes have a pretty good typo... It should read milliamps, not millivolts... Sorry.

Comment #2 posted on 2017-05-29T07:46:01Z by Jonas

I did not know that.

Great info. I didn't realize you could troubleshoot using such a small measurement. My truck is getting older and may need this info eventually. Thanks for the show!

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