With most gauges the sending unit grounds the wire going to the gauge. It sending unit varies the resistance to ground and that's how it makes the gauge needle go up or down. The higher the float is in the tank, the more resistance the sender makes and the higher the gauge goes. Remove the wire from the sender and see what the gauge does. If the gauge goes to empty with the wire off the sender the sender is shorted out. If you touch the wire to a ground it should peg the gauge. If the gauge still pegs with the wire off the sender the wire might possibly be shorted somewhere between the sender and gauge. If the wire to the sender is good, someone else on this forum is gonna have to help you out. Jim
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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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