If it draws a heavy discharge when shut down and the genny gets hot THE CUTOUT RELAY IS STICKING CLOSED. In fact if you loosened or removed the belt the genny would spin like the DC motor it is........
Starting when the genny is at opposite polarity of the battery can damage a VR, you may wanna Polarize just to be sure then try it,,maybe the VR isnt damaged????
Its NORMAL if the armature is in place to get an ohm reading very low (almost like a dead short on a cheap meter) from the Gennys ARM post to case ground. If you ohm from FLD it should be more like 3 to 6 ohms to ground, however, as thats the Fields then to ground via the armature.
The Full Field test involves temporarily dead grounding the Gennys FLD post to grnd and if she charges then but not otherwise the VR is bad or its not well grounded MAKE SURE THE VR HAS A GOOD GROUND IT NEEDS IT TO WORK
Some VR's are labeled specifically for either POS or NEG ground, sure you have the right VR???
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Today's Featured Article - Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV.
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