Posted by Janicholson on September 14, 2013 at 16:35:40 from (74.60.94.18):
In Reply to: Re: Farmall M Magneto posted by Two Banger on September 14, 2013 at 16:19:08:
The mag usually stops with the points closed. This is a direct connection to ground, if the points were open, the reading might still be colse to zero ohms. It could be toast inside at this point, so be sure to not connect abnything to the mag terminal other than a ground kill switch. The starter draws 450 amps when sterting the tractor. This requires a radical switch that can handle radical current. a starter relay (little can with 3 or 4 terminals 2 big and one or 2 small) can handle the current. a starting switch as originally supplied and also do this. not a small push button. You may have connections that look OK butt are not. even wires can be broken inside. Sparks are that indication. Has it ever ran with you around it? Have you changed components? Help us diagnose your issues. Jim
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