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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2007 Posts: 156 Shop Shark | | Shop Shark Joined: Aug 2007 Posts: 156 | I have a single wire self exciting alternator on my truck as part of a 12 volt conversion.
I have the idle RPM set at 500 and the Amp Meter is slightly negative. If I pick up the RPM's the meter swings positive.
Do the RPM's need to be set at a higher idle speed for a self exciting alternator to work correctly?
Jim
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