Quote:
Originally Posted by monster7
You can try to put e specific resistance (e.g. 100Ohm) in between. Just put one side of the resistor in the earth plug and the other side to the chassis somewhere (earth). If the gauge is not showing a fuel level somewhere between fuel and empty, you have some problems with earth.
PS: my Autometer gauges have a hole in the case with a very small poti behind. This is to adjust the resistance for calibration. I do not know the Smith gauges, but maybe you have something similar?
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My Smiths gauge does not have any adjustment that I am aware of. It is working now. Thanks for the suggestion.