Quote:
Originally Posted by California98Civic
Yeah. That would be the smartest, but of course that could be insuffient charging time. My alternator works as you describe, with one difference. When the car crosses 40mph, the alt begins to run all the time. Inly my alternator switch prevents that. And sometimes, after I key on and in some ither situations it runs at fjll on acceleration. The switch prevents that.
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So your car sits at 12.8v as long as speed is below 40mph? My Fiat will do at least 140miles using just overrun alternator operation with daylights and A/C on, and that includes (automatic) idle stop restarts.