This has been going on to some extent in the combines for ten years or so. Some sensor gives a false code and the header won't kick on, or the unloading auger wont run and on it goes. On the last combines I was wrenching on a few years go the computer wouldn't let anything work if the alternator wasn't sending out pulses. The combine sat there functionless until the problem was found. We lost many, many, many hours due to electrical problems, mainly computer oriented. Sometimes I felt like just running a jumper wire to something but I was afraid of blowing the $5000 computer board. A couple of times I did get brave and run a jumper wire to get the function going and it worked. Those systems work mainly on grounds. The ground is controlled instead of the hot. There are certain grounding points to check on the machine. If all is good there, plan on spending a day in the 100+ degree sun crawling around on it checking components. Ten years ago a Deere mechanic told me they usually plan on spending two days hunting and searching when a computer glitch comes up.
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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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