I had a small leak at the sensor so I removed it and took it to the wire wheel. It stopped working. I bought another sensor that is for gauges. Nothing. Is there anyway to test the gauge?
Yes there is. Use a 1.5V battery and just tap the gauge wires to battery and have someone look at the gauge, -it should move. Be very careful and only do this for a few seconds to proof the gauge works, you don't want to peg it out.
Doesn't the gauge work off 12v with the negative running thru the resistance of the temp sensor? Could I take a resistor from the wire at the sensor to ground?