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 - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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