You have a short to ground either in the generator field circuit or the wiring from the field terminal to the regulator. Disconnect the wire from the "F" terminal of the generator (the small wire), and see if the charge rate goes down. If not, get the generator rebuilt.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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