Matt, most "one wire " alternators will work as a 3 wire alternator which begains charging at low idle. all you need to do is get a replacement delco alternator plug to prevent wiring shorting to the alternator case, from an auto parts store for about $2. You connect the #2 alt plug wire to the BAT stud on the alternator rear, and connect the #1 alt plug wire through a small indicator light to 12V power that turns off with the ignition switch. The indicator light serves two purposes, it eliminates alternator "backfeed" to the tractor wiring, and it indicates that the alternator is charging. You do not need to wire in an ammeter unless you want the meter to indicate charge rate, the light is telling you that it is charging. With the light, you only need a 10 guage wire from the alt BAT stud to a battery connection ( where ever the hot battery cable attaches to the start switch /solenoid.)
If you do want an ammeter, you must connect the alternator output and all electrical loads (ign switch, lights etc) to one ammeter post and a 10 gauge wire from the battery connection to the other ammeter post. If the ammeter reads backwards, switch all wires to the opposite ammeter post. With these wiring mods, you can use any 1 or three wire alt on your tractor.
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Today's Featured Article - Talk of the Town: Winterizing Engines - To Drain or Not to Drain? - by Russ Berry. What is this strange attraction I have to equipment and machinery? How did I get this way? I came from the suburbs and own a small horse farm in rural Loudoun County, Virginia. You can call me a "weekend farmer." The local farmers do. Does it bother me? No. I am just happy to have their friendship. At least the word "farmer" is in my title. But what is the attraction? How can I explain the sensation and exhilaration I feel when I turn the key and hear the engine come to life (most
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