Posted by Dave H (MI) on December 09, 2012 at 08:45:51 from (66.87.4.15):
I have my 1947 Farmall B, 12v conversion, in the shop. Was a runner but failed to start last Spring and has been sitting. I am running all my usual checks. Carb has been cleaned to get old gas out. Running continuity to make sure there is spark. I have 12v on both sides of the switch when turned on and also on the far side of coil. I have nothing on the near side terminal of the coil with points open or closed. Holding the center terminal of distributor near a good ground and snapping open the points does not give me a spark. I am thinking I need to replace the points and condenser but the lack of any voltage on that near terminal is confusing me. Should I have voltage on that side of the coil at some point? It is a new coil.
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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