well it is and isnt.problem is if you dont have either a diode OR a light voltage CAN backfeed to the ignition and tractor wont shut off.some folks i think use the accy poition on an aftermarket key switch to break that line and keep it from backfeeding from alternator.a diode of course works sort of like a check valve that only lets voltage flow one way,while a light bulb actually raises the resistance up to where current wont flow.the indicator light on the dash of your car or truck does the same function.it may or may not be neccessary depending on how your tractor is wired.ive changed all my fords over to 12v and personally i use both simply because i work them a lot at night in the heat of summer,and the guages are not lighted.overkill of course.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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