Slow down, The chances are really really good that that tractor will run. The old saying I've heard is, if it will turn it will burn. So if you do not have the alternator read thru the archives of this site and educate your self on the conversion process and wiring diagram. Get rid of all that old wiring and replace it eliminating butt connectors and splices. Rather than a 10 si alternator I've ordered a much smaller alternator from the YT parts dept. It fits up under the hood much easier than a GM 10si. The push pull switch grounds out the mag to kill the engine,it does not energize anything in all probability. You may need to purchase a different pulley to put on the front of your alternator as I know the H belts are wide and thick. Clean gas tank and carb. It will be a glorius day when that thing pops off and runs. Good on you for saving and caring for a family heirloom. btw, I've personally converted 3 H Farmalls to 12v. I fabricated my own brackets and spacers to get the pulley alignment right. The archives here at YT have wiring schematics. I'm no mechanic but with the help of people on YT have accomplished much tractor related mechanics. gobble
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Today's Featured Article - Product Review: Black Tire Paint - by Staff. I have been fortunate in that two of my tractors have had rear tires that were in great shape when I bought the tractor. My model "H" even had the old style fronts with plenty of tread. My "L" fronts were mismatched Sears Guardsman snow tires, which I promptly tossed. Well, although these tires were in good shape as far as tread was concerned, they looked real sad. All were flat, but new tubes fixed that. In addition to years and years of scuffing and fading, they had paint splattered on
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