The Model T Ford battery charging capability is a subsystem of the Ford FA Starting and Lighting System designed by Mr. Fred Allison at the Ford Motor Company electrical engineering department and introduced in late 1918 for use on Model T Ford cars and trucks.
Many people have trouble with the charging system on their Model T and need help repairing it. Here is an electrical (not physical) schematic diagram and technical description of how it works.
Above is a Model T Ford generator rebuilt by Ron Patterson equipped with a Fun Projects voltage regulator in place of the factory cutout.
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