Posted by Brad Gyde on June 21, 2010 at 08:22:02 from (173.110.67.101):
Hey guys,
I've read many times odds and ends about coils.. and I know I have read there is a way to check to see if a external resistor is required or not.
could someone refresh me as to how?
Needed a coil for a combine, and yesterday while rummaging in the drawers I found one that appears to be new (still sealed in a plastic bag).. but has no markings on it.. and even being young, with a decent memory, I have no memory of buying it, or what I would have ever bought it for.. Maybe I bought it just to have it, or maybe it came in a box of stuff from a auction, or maybe it was given to me.. I have NO idea.. but before I fry it I figured I would ask. (no sense in ruining 20 bucks when I can ask a question free, and at worse look a little stupid)
I know it has something to do with resistance, if I remember right (and I can't seem to find the post I remember reading that in)
so if someone could refresh my mind and tell me what to do, that would be great..
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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