Posted by roger_from_nc on February 16, 2009 at 13:53:39 from (24.225.73.33):
All, We are having a hard time starting our old tractor (will not turn over, could be battery but it goes through them pretty quickly), anyway I decided to try to figure out how this thing is wired. I found a couple of wiring diagrams on the net, one that represents a distributor ignition and one with a magneto. The magneto diagram does not show a coil in the system, while the distributor system does show a coil. Our tractor does have a magneto but there is also a coil mounted and wired in too. The wire from the magneto housing goes to the negative side of the coil. The tractor is also a negative ground (at least thats the way the battery is in there now), aren't these tractors suppose to be pos ground. Has the electrics on this tractor been modified or is this some hybrid factory set up and/or does the way this thing is wired make sense? The tractor runs fine when its cranked.
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