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Farmall & IHC Tractors Discussion Board

Re: SA electrical problems


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Posted by Mark on November 02, 2009 at 18:48:55 from (67.140.143.105):

In Reply to: Re: SA electrical problems posted by Janicholson on November 02, 2009 at 15:26:42:

Hot damn, I see seeds of progress!

I offer my thanks for the excellent information, given in terms I can understand. You have educated me immensely on the proper battery/resistor/coil wiring scheme. For those of you with a strong grasp of those things....it is all elementary, but for me it is pure alchemy!

By process of elimination, there remains only one weak link in the chain.....the coil. Now, knowing that a 12 volt coil can be used sans the resistor....because a 12 volt coil is wound differently and therefore delivering the same voltage to the distributor.....I have been enlightened. Not only was I told what to do, it was explained WHY/HOW it works. That is quality teaching gentlemen and my hat is off to each of you. I do confess the electrical schematics tossed me out in left field, no different from reading cuneiform or hieroglyphics...hehe!

Now, waiting for daylight and a new coil, hopefully producing positive results.

And one short comment on my questioning of how the resistor was wired into the circuit: True enough, the tractor ran fine as wired. However, after finding the points badly burned after only 15 hours of service, it caused me to wonder if the voltage was being reduced and if the resistor had been wired into the circuit improperly and hence, negating it's intended purpose....which would cause the points to fry from high voltage.


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