Oscillating ammeter needle question !!!!

Crazy Horse · Mar 17, 2014

I'm puzzled ....... The generator is working on my tractor and the two-tower "regulator" is regulating voltage OK but the amps are not being taken care of, the ammeter needle is rapidly fluctuating from charge to discharge, back and forth and will not steady itself in one spot. The ammeter works properly and is new, it works fine and shows a steady charge on another tractor. What might be causing this, anybody help out?

waltdavies · Mar 17, 2014

Regulator

Janicholson · Mar 17, 2014

I agree with Walt.
Sticky pitted regulator points will do it. Jim

Wheat Farmer · Mar 17, 2014

OK here is another thought/question. I was told once that the spark plug wires should cross each other and not all in a nice parallel line?????

Wheat Farmer · Mar 17, 2014

Sorry wrong post.

Allan in NE · Mar 17, 2014

Take a point file to the regulator points.

Allan

Steve@Advance · Mar 17, 2014

Broken resistor on the bottom of the regulator.

Patrick HMD · Mar 18, 2014

I don't know if this will help, but when I rewired my 'M', it started OK, ran OK, but showed the very same symptoms with the needle swinging + to - very rapidly, when running. No lights also. Come to find out the lead wire coming off the ammeter was hooked up to the wrong side of the starter switch. Switched the wire, and everything settled down, and I got my lights back. The 'M' BTW is stock 6 volt with cutout. So I don't know if that would make any difference.

Best regards
Patrick
'49M

Joe Pro · Mar 18, 2014

Just a thought does it charge through the ign switch? If so may be a faulty ign switch.

Oscillating ammeter needle question !!!!

Crazy Horse

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waltdavies

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Janicholson

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Wheat Farmer

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Wheat Farmer

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Allan in NE

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Steve@Advance

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Patrick HMD

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Joe Pro

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