Electrons flow from negative to positive. So on a positive ground tractor you are saying the right side should be connected to the battery-through the starter switch, and the load charge wires attached to the left? This would allow the lights to draw electrons out of the battery into the light switch, then to the bulbs, then to ground. I think it would work on some and not others. I have one gauge (Stewart Warner) with Positive marked on the left terminal (looking at the face) a generic gauge with no marks, and a generic gauge with opposite markings. I just test them with a load on the unit before hookup. Part of the issue is that back in the beginning of electricity scientists got crossed up with the polarity of electrons and discovered their error after systems were being built. Oh well. Jim
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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