It is most likely not charging at all, if wrong polarity, as the generator would need flashing to change it's polarity. The voltage reg might also be polarity conscious and may now have welded contacts. Sooo... unlikely to be reverse charged, might get away with reversing the battery, might need a new voltage reg. If it has been changed over previously ( machines often were) and battery is in correct way for the set-up, all these problems will follow you if you change anything before checking out exactly what you have under there. Regards, RAB
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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