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Nick, seeing as it worked when you installed the batteries backwards then quit after a while you probably did burn the regulator points [some regulators are polarity sensitive]. ~Try switching the batteries back to positive ground, then re-polarizing the generator… To do that... First ground the generator's [F] post [smaller of the two] to the generator’s frame, then jump battery power from the regulator's [BAT] terminal to the generators [A] post, you should see a spark, if so you then have it polarized. ~Then run the tractor, if it then charges correctly you are probably good to go [be sure the ammeter reads correctly]. ~If it still doesn’t charge, run the tractor at fast idle, then short the generators [F] post to ground, if it charges then you have bad regulator, or bad regulator ground, or open wire from the regulator’s [F] terminal to the generator’s [F] post,,,, If still no charge leave the [F] post grounded & jump a wire from the regulator’s [BAT] terminal to the generators [A] post, if it charges then you have a bad regulator, or open in the wire from the regulators [Arm] terminal to the generators [A] post. ~If still no charge, MAKE SURE you have battery voltage at the regulator’s [BAT] terminal with the tractor not running [that’s a must for it to charge]. ~If still no charge you probably have a bad generator.,.. To test the generator,,, first remove the generator belt, then use a jumper wire & short the [F] post to ground, then run battery voltage from either the battery or regulator’s [BAT] terminal to the generator’s [A] post. The generator should motor slowly, then remove the [F] post ground wire, the generator should then pick up speed…If the generator doesn’t motor at all you probably have a bad armature, or dirty commutator, or stuck brushes, or internal broken wire… If it motors but doesn’t speed up when the [F] post un-grounded then slow down when the [F] post is re-grounded you probably have a bad [open] generator field, or stuck field brush, or open wire in the field circuit…. I sent you an E-Mail on your other [earlier] post, apparently you didn’t get it? JDClooney@aol.com
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