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Stumped on charging system farmall a

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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Welderman2020
Posts: 12
Joined: Sat Feb 27, 2021 7:33 pm
Zip Code: 98570

Stumped on charging system farmall a

Postby Welderman2020 » Tue Aug 17, 2021 7:22 pm

Good evening everyone, just wondering if anybody has a good diagnostic rundown for the charging system for a farmall a? Still using the original 6v positive ground just can't get it to charge the battery. Went through wiring diagram everything looks to be in the right place. Any help would be greatly appreciated
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inairam
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1974 Horse II 12 v c-2
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Re: Stumped on charging system farmall a

Postby inairam » Tue Aug 17, 2021 7:53 pm

This is a chart from the cub part of the forum but it will help. Most of the time it is the regulator. Clean your connections at the generator, regulator and battery. And make sure the regulator is grounded.
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electric.gif
When you only have 9 horsepower you need to know the names of all of the ponies!
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tst
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Re: Stumped on charging system farmall a

Postby tst » Tue Aug 17, 2021 10:22 pm

does your A have a regulator or cutout. a cutout is mounted on top of the generator and controlled by the light switch , here is a flow chart for the cutout
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07-Cutouttroubleshootingchartrev1_0.gif
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Jim Becker
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Re: Stumped on charging system farmall a

Postby Jim Becker » Tue Aug 17, 2021 10:26 pm

The original system on an A was a 6-volt, positive ground, CUT-OUT system. Use the chart tst posted.

A Super A may be a regulator system, but not an A.
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Welderman2020
Posts: 12
Joined: Sat Feb 27, 2021 7:33 pm
Zip Code: 98570

Re: Stumped on charging system farmall a

Postby Welderman2020 » Fri Aug 20, 2021 2:24 pm

Alright have some time this afternoon gonna work the flow chart I'll let you guys know how it worked out.
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