[tdavidl]

Originally Posted by PetesPonies

true a sending unit is a variable resistor. When the resistance is low the needle moves towards full. It sounds like your wire has shorted to ground,virtually no resistance, thus the full deflection of the needle.

any idea where the wire runs from the tank to the gauge ? I think my wire may have been damaged when the rear brakes were being worked on and i'm not seeing where the wire goes from the tank to the dash