Quote:
Originally Posted by fixitalldad
I think I have a problem with the s/g the 'A' terminal shows a short (1 ohm) to ground. With the tractor running and the volt meter across the battery the meter jumps all over 20 - 100 volts, it should be at about 13 or so. I think the problem is from the 'A' terminal.
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I would be looking for a loose/bad connection, or faulty meter
No way you are going to get that kind of
ACTUAL voltage reading.
The battery in the circuit will always act as a accumulator as far as voltage and a Generator unlike an alternator, is limited in it's voltage output.
You also stated "when running" if it starts the S/G most always is good. Now that is not to say it may have bad bearing/bushing or worn brushes etc.