Farmall Cub

by **Little Red Cub** » Thu Mar 17, 2011 7:57 pm

not running.

by **Bigdog** » Thu Mar 17, 2011 9:09 pm

Not running there should be no voltage on the A lug of the generator. It sounds like the regulator has stuck contacts.

by **Little Red Cub** » Thu Mar 17, 2011 9:22 pm

Can I get a regulator at auto zone or other place like that or do I need to go to the dealer?

by **Don McCombs** » Thu Mar 17, 2011 9:24 pm

by **Little Red Cub** » Thu Mar 17, 2011 9:27 pm

anything special I need to ask for?

by **Don McCombs** » Thu Mar 17, 2011 9:31 pm

Take the old one with you.

by **mikeintn** » Thu Mar 17, 2011 9:38 pm

I cant remember but NAPA # is VR 850 or VR 851 ones is top mount other mounts below gen. if I was in shop I could tell you, but just tell them where yours mount, NAPA are made in USA also. Mike

by **Eugene** » Thu Mar 17, 2011 9:59 pm

Any auto parts store should have a matching regulator in stock, USA made. If it's not in their computer - just tell the guy to get out his "Engine Management, Illustrated Parts Guide" catalog.

by **danovercash** » Fri Mar 18, 2011 6:00 am

When mine stopped charging years ago, I found that the braided ground wire on the voltage regulator was not making good contact. Resoldered, been fine ever since. This was after a trip to the shop with the generator, it checked ok.

by **Little Red Cub** » Fri Mar 18, 2011 12:03 pm

Picked up a regulator today. Does it need to be polarized to make it work?

by **Bigdog** » Fri Mar 18, 2011 1:38 pm

The regulator does not need polarized. The generator is the only component needing polarization.

by **Little Red Cub** » Fri Mar 18, 2011 7:06 pm

Got the new regulator on polarized the generator started it up and it charged for a very short time then started discharging. Started looking at the wiring at the regulator, the tractor was running reached down and wiggled the regulator and a spark came off the Gen terminal. Turned the tractor off and got to looking and found a clip that holds the wire to the headlight was getting against the terminal. Fixed that and everything was charging when I turned the tractor off. Hopefully it will last.

Also found when I took the regulator off that the copper wire on the back of the regulator was missing. I want to thank everyone for all the help, especially bigdog for having patience with me not giving up on me.

by **Bigdog** » Sat Mar 19, 2011 7:54 am

Rick - I am glad you found your problem. We don't give up around here. We keep plugging away as long as you're willing to stay with it.

Farmall Cub

1955 100 Farmall

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