· Premium Member
If it is a work/don't work, check the wiring first. There is a single wire to the tank, the body of the gauge is the ground. If you can have someone look at the gauge and you take the one wire and make a ground from the tank to the wire and the gauge pegs, rules out wiring, only if the gauge isn't shoing it is working to begin with. Basically it will check the working of the gauge itself.