Farmall b conversion

cuttman · May 30, 2011

I know there are several posting on this but, I am trying to wire a farmall b tractor to 12 volts. I have a 10SI 3 wire alternator, ammeter, toggle switch, starter and battery as parts and no ignition switch. They evidently used the toggle for the on/off switch. I need somebody to tell me how to run the wires using the parts as there is no wiring there now. I have another toggle switch that is the kill switch for the magneto that works. The battery is setup for neg. ground.

mkirsch · May 31, 2011

Do a search on "Bob M's wiring diagrams" on google.

I'd give you the direct link but I don't have it memorized. I just pop those words into google and it takes me right there. There's one alternator conversion diagram there. It's the same for all tractors.

You shouldn't need a toggle switch on the alternator if it is wired properly.

Farmall b conversion

cuttman

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mkirsch

Well-known Member

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