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Bob Bidonde · 07-25-2021, 07:17 AM

PatrickL hit the nail on the head. Some alternators such as the single wire GM10Si may have a natural small current draw that charges the field coils. I put a diode in the output wire of mine.

07-25-2021, 07:17 AM	#15
Bob Bidonde Senior Member Join Date: May 2010 Location: Long Island, NY Posts: 3,472	Re: Parasitic Drain? PatrickL hit the nail on the head. Some alternators such as the single wire GM10Si may have a natural small current draw that charges the field coils. I put a diode in the output wire of mine. __________________ Bob Bidonde