Re: Farmall Voltage

Posted by Doug in OR on August 24, 2003 at 10:21:49 from (12.225.61.140):

In Reply to: Farmall Voltage posted by Mike H on August 23, 2003 at 19:06:05:

You need a meter that is 'slightly' more accurate than a dime-store meter, but here goes:

A 12 volt battery should have about 13.8 to 14.5 volts at the battery terminal, with the engine running about half open and all other accessories off. Figure about one-half these readings for a 6 volt system. If you do not have this reading, put the meter lead on the ARM terminal of the generator. If the reading is still low or non-existant, remove the wire from the F terminal. Short this terminal to ground. You should see a hefty jump in voltage at the ARM terminal when you do this. If this works normally, and your battery voltage is still low, the regulator is probably your culprit. Be sure your wiring is all sound before going to these steps.

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