Converting Generator To Alternator Wiring Diagram. 1964 generator to alternator conversion vintage mustang forums. A 3g will give more amps at idle than the 1g.

Converting from a generator to an alternator is a task that may requires the vehicle to change from positive to negative ground as an alternator will never work on a positive ground state. The original regulator can remain and the bat post used for a junction block as the battery connection to the alternator. Generators had external voltage regulators.