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AzBob · 06-03-2023, 12:24 PM

Just because it is a "Zero RPM" alternator does not mean it will supply the load demand at the required voltage at the less than 400 rpm idle speed most Model A's run at. Smaller alternator pulley could help unless the OP already has one installed.

06-03-2023, 12:24 PM	#8
AzBob Senior Member Join Date: Oct 2018 Location: Prescott, AZ Posts: 134	Re: Head Light Problem Just because it is a "Zero RPM" alternator does not mean it will supply the load demand at the required voltage at the less than 400 rpm idle speed most Model A's run at. Smaller alternator pulley could help unless the OP already has one installed.