Thanks for this post, thought I was going crazy last night while checking the wiring for my "new to me" tractor. Wanted to test the alternator and everything was coming back negative, very surprised to see that my machine is positive to ground.
I ended up switching my multi-meter to check for resistance to see how all the wires where connected. Definitely had me scratching my head.
Because I know I will eventually screw it up and cross the wires I'm going to get a new alternator and wire it the traditional way with negative to ground. Likely get a whole new wiring harness while I'm at it just for piece of mind. Thanks.
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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