Posted by L Roth on May 21, 2010 at 15:41:03 from (71.50.60.24):
I am working on a Farmall 656 Gas tractor that stays running even after you turn the key off. It has to be backfeeding power from the charging system to the ignition. It is equipped with a generator and regulator. The regulator doesn"t have an ignition terminal so I guess you would call it self exciting. The only way you can shut it off is to slow the rpm"s down until the charging system stops working. The generator light will come on and the engine will shut off. My customer recently installed a new wiring harness in this tractor. I have checked it over with a wiring diagragm, and I can"t see anything that is hooked up wrong. Can anyone give me some advice? Thanks in advance.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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