The switch is needed because there is no voltage regulator the system just has a cutout relay, the cutoff is open when the engine isn't running to prevent the back feed from the battery trying to motorize the generator. Witch the engine running the generator producing enough voltage to close the cutout so now the generator can charge the battery but there is no regulator and no way to ground the field the switch has a resistor that acts like a regulator and only allows the generator to produce about 5 amps pulling the switch all the way out by-pass's the resistor and the field is fully grounded causing the generator to produce about 15 amps. This is way to much for running all day will boil the battery and over work the generator. It makes no difference if lights are installed or not used
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Today's Featured Article - The Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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