Does it have a positive or negative ground alternator? Most all common alternators were born negative ground but a few have been redone for positive ground.
If you switched polarity on the battery, even for a brief moment, you likely fried your alternator.
With positive ground the + post on coil goes to side of distributor. With negative ground the - side of the coil goes to distributor. On some tractors, with posts reversed they will be harder to start, but other than than the ground configuration should have no effect on starting.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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