Thread: battery drain
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Old 12-30-2015, 09:26 PM   #8
ray_mcavoy
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Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,373
Re: battery drain

Did the painless harness come with the alternator plug pre-wired? Or did they just leave loose wires that you had to connect to the alternator?

The reason I ask is because the alternator's voltage sensing wire is live all the time. If that wire is accidentally connected to the alternator's exciter terminal (which is supposed to be switched on/off via the ignition) it will create a battery drain.

Like franken said, posting a pic of your alternator and it's connections would be helpful.
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