I know what you are going through. I had problems with alternators on a shrimp boat with a 6-71, in that I wasn't getting enough RPMs to the alternator. Much of my work was at 1000-1200 RPMs and I had to go to a smaller pulley on the alternator. How are you exciting the alternator? Some Delcos took pretty high RPMs to excite them. I finally went to a pressure switch, as I had no ignition switch to deal with. Some of the larger Delcos were insulated and required a separate ground wire to get maximum amps out of them. It's probably something simple, but finding the problem can sometimes be a pain.
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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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