The BAT wire from your "1 wire" alternator goes to one post on the ammeter, the same post as the ignition switch and light switch connect to. The other ammeter post connects to the battery, likely at the starter switch. The alternator must be connected through the ammeter to give you a charge indicator.
Do you really have a 110 amp "1wire"alternator ?? If so, I would ask why did you get one that large? A 110 amp alternator is too large for the wiring and ammeter on your tractor. Also a 37 amp "1 wire alternator will excite(start charging) at less than 1/2 the rpm of a 60, 72 or 110 amp 1 wire alternator. Your tractor engine may not run fast enough to excite a high amp "1 wire " alternator. If you do have a very high amp "1 wire" alternator, I would exchange it for a 37 amp model, it will serve you much better unless you have a very large electrical accessory load that requires that many amps. I fault the parts store for only wstocking very large amp "1 wire" alternators. They can often stock only the large ones, as they can substitute a larg alternator for a small alternator application. Fine for a high rpm automotive engine, but many older tractor engines simply do not run fast enough to excite those big "1 wire" alternators.
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Today's Featured Article - Gatherin of the Orange - by Rick Nikolich. In July of 1998 I was talking to fellow Allis Chalmers collector Mike Schilling about the annual "Gathering of The Orange" AC show coming up in August of 1999. He got this wild idea that we should get a convoy of AC tractors and drive them from Charlotte, Michigan 105 miles to LaGrange, Indiana.
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