I am going to vote with the majority that the originator of this thread (me)does not know what he is doing and that is why he is posting here. My limited auto electrical training (40 years ago) always stipulated that the output voltage of the alternator should not be over 13.4 volts. Voltage...
I have installed an '03 Ford Mustang engine into a Model A and have utilized the '03 alternator. The Mustang gauge was originally installed inline in the regulator circuit and had a resistance of 490 ohms. I replaced the original Mustang gauge with a carbon resistor of 500 ohms. I have...