Re: Super A 6 votl to 12 volt

Posted by Shawn in PA on February 12, 2011 at 20:29:13 from (24.154.38.87):

In Reply to: Super A 6 votl to 12 volt posted by country bumpkin on February 12, 2011 at 03:32:03:

If you do choose to switch to 12 volts, don"t use a 1 wire alternator, use a 3 wire. The alternator cannot start charging until there is voltage on the field windings, and a magnetic force is created. 1 wire alternators need to be run up to a higher rpm to start charging, and until the cut in speed is reached, the battery is discharging. 3 wire alternators can be externally excited, via the ignition switch, and will start charging as soon as excited. If you switch to 12, the delco 10si or similar, will have a built in voltage regulator. As for the coil, a 12V to 6V external ballast resistor will need to be used to reduce voltage at the coil. Or you have the option to install a internally ballasted 12 volt coil, eliminating the need for an external resistor. I agree with the others guys though. If you have the complete 6 volt system, leave it alone. Shawn

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