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Jhall

b-10 starter generator wiring

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Jhall
Are the early model b-10s negative or positive ground? The one I recently acquired is wired for positive ground. I can't tell if it is charging the ampmeter is bad. If this one is wired improperly has it ruined by generator by running it this way? Thanks for your help:)

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Dutch
It should be 12 volt NEGATIVE ground. After correcting, but BEFORE you start the engine, polarize the starter/generator. Here's why > http://web.utk.edu/~tprather/FoothillsTractorClub/TechTips/PolarizeGenerator.html If you're lucky, nothing has already been damaged.

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Jhall
Thanks to all for the help. I now have this corrected and charging correctly. Atleast the guy who put it in backward polarized the generator first. It was actually charging with positive ground. I changed it around repolarized the generator and all is well. I had to switch the ammeter wires.

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