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Old 12-07-2014, 02:18 PM   #1
C_Four
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Headlights charge my battery; huh?

Ok, let's see who's run across this before. Vehicle: 07' Pontiac Grand Prix. Charging system voltage slowly drops while the engine is running. However, if the headlights are turned on the charging system returns to normal operation. Foot note; high beams come on sometimes when either blinkered is turned on....
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Old 12-07-2014, 03:15 PM   #2
aleekat
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Re: Headlights charge my battery; huh?

Sounds like a grounding issue. I would check and clean every ground you can find.
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Old 12-07-2014, 04:22 PM   #3
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Re: Headlights charge my battery; huh?

Thanks aleekat. I had thought that originally with the high beams/turn signal issue, but really didn't think that would have such an affect on the charging. I'll check it out and let ya know how it goes.
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Old 12-07-2014, 05:26 PM   #4
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Re: Headlights charge my battery; huh?

Well aleekat, am guessing you already knew what the results would be; but, it worked. Thanks a bunch..... quick easy fix!
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Old 12-07-2014, 06:22 PM   #5
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Re: Headlights charge my battery; huh?

Good deal. Thanks for the update.
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