Join Date: Feb 2010
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Intermittent electrical issues like that are a real pain. If it were me, I would do a thorough inspection of the electrical system. You didn't mention if the system was original or not, but maybe its time to think about replacing the electrical on your 27.
Regarding the alternator, in my experiences if it was a diode, the draw would be constant.
Good luck and let us know what you find.
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