Use a diferent amp gauge on the system. YOur gauge could be either failing, or not dampened properly. If it stops charging, maybe it should be not charging (battery full) Tests: All with fully charged battery Run it at 1/3 throttle (lights off) so the gauge shows charge steady as you have stated. Put an analog (Needle type) meter across the battery. Reading should be 6.8 to 7.3 volts (about) Run at full throttle with lights off. Should read 7.2 to 7. 4 (about) If it stops charging, check the voltage again across the battery. If still at 7.2 to 7.4 all is well, and the regulator is working correctly. (you should not over fill the battery, and it should go back to near zero charge rate. If the needle swings radically as before, and the voltage is good, I would then use a different amp meter to see if it is a defective meter dampening. If the bat volts go back to 6.5 to 6.6 when the needle goes back to near zero, then there is an open in the system. You should be able to find a faulty VR ground, or a bad connection because it is not working. Please let us know your progress. Jim
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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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