Posted by Butch(OH) on February 08, 2017 at 08:16:11 from (66.192.33.38):
In Reply to: Polarity, am I wrong. posted by David G on February 08, 2017 at 06:51:15:
You are correct in that a (mechanical) regulator can be used with either polarity and it will work BUT back when a person could purchase a good regulator (and you cannot now except for old stock) the contact materials differed so as to optimize the life of the unit. The difference between a + ground regulator and a - ground was simply which side of the contacts each specific material was used. If any regulators are built this way now I am not aware of them. When I need a regulator I search Ebay and buy it old stock, often for less than the newly manufactured ones that are for the most part junk when new.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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