NEITHER a voltage regular NOR a cutout need to be polarized. It is the GENERATOR that needs to be polarized, which in the case of typical IH/Delco "A" circuit generators, requires it"s "Armature" terminal to be momentarily connected to the non-grounded side of the battery. Since completing this circuit is easily done at the cutout or VR, folks get the idea they are polarizing THOSE components, when they are actually polarizing the GENERATOR.
What polarizing does is to restore the residual magnetism in the polepieces and "frame" of the generator in the correct direction so the generator begins charging with it"s polarity matching that of the battery at initial startup.
Saves having to replace the smoke that can potentially leak out of the electrical system at a cost of quite a few bucks!
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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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