no diode needed i hooked me dc case up this way no switch at all go from # 2 post to batt post on alt. then go from batt post on alt to amp guage then from guage to batteryworks just like a 1 wire alternator dont use the #1 post thats what drains the battery ive had this hooked up this way 2 years never a dead battery unless i run it dead with starter lol only thing is you have to rev engine to excite the alternator but you have to do that with a 1 wire also so whats the difference other than pricemost gas tractors rev high enough but if it dont just use a smaller pulley on alternator or bigger on tractor which ever im sure someone will find fault with this but works for me hope it helps you
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Today's Featured Article - On the Road with Dave Gohl: Deere Departed Friend - by Dave Gohl. Have you ever had to part with a dear friend? It's not easy. If it's due to death, your feelings could be in disarray for days, months or even years. Even now after almost 4 years, I still miss my dad. I remember when I was a kid my dad sometimes would tuck my brother and I in at night and we would ask him questions about his childhood on the farm. To this day, it's some of the best stories I've ever heard. And now, I'm so glad that I asked those questions, and if I were a little smarter i
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