Help with Volt Gauge flicker.

swinger1969 said

Having exactly the same problem on my 69 Dart - voltage on the Autometer volt meter wanders between 13.8 and 16+ volts a lot. The stock ammeter is still hooked up and there's no MSD box , it's all stock.

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If you still have an original type mechanical regulator, that can be one cause. 'How to tell' Look UNDER the VR. If the case appears, OEM, look for two large wirewound resistors. That is mechanical. The electronic ones have a pretty much flat bottom, at least, no resistors

This one is mechanical



This one has electronic guts in an old style case.........no resistors