Farmall B 12v generator conversion

We're working on restoring a B for a guy that already had it somewhat converted to 12v. He had an alternator and luckly we talked him out of keeping it. He does want to keep it 12v so I plan on haveing a generator converted. I'm having a local shop do it so that shouldn't be a problem.

The gen I bought had a cut-out currently on it. Will I have to have a regulator? Will we mount the regualtor on the gen like the current cut-out is?

Will we be better off going with a 3 position switch? What 12v bulb is used in place of the 6v in the original tear drop lights?

I know this is a lot of questions but I hope somebody has had a bit of experiance with this and can help out.

I also plan on doing all my own wiring. I have all of BobM's diagrams printed off and I think I may be able to figure out the wiring although there really isn't a diagram for what I'm planning on doing.
 
Seth - I highly recommend you use a regulator instead of a cutout on your conversion (your battery will thank you later!) You can get a saddle-mount regulator that fits on the generator case in place of the current cutout.

You can re-use the existing 4-position light switch. Only difference is with a voltage regulator installed the switch's L and H positions simply become two "off" positions for the lights.

I forget the 12 "correct" volt bulb number for the teardrop lights. But the common 1156 backup/turn signal bulb fits and works fine.
 

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