I went out and with the gauge removed and sender float assy removed, I hooked the gauge hot straight to the battery, and the sender wire to the sender and grounded the gauge house and the sender flange to ground creating my bench test right by the battery on the running board. I manually manipulated the float through its full travel (remember I had a good 1 to 33 ohms sweep with the float alone) but hooked up to gauge with good gauge/sender flange ground the needle on the gauge only goes from empty to half way. Is it possible the gauge is malfunctioning or needs to be calibrated if that is even possible. I don't mind a little bend to firm things up to exact, but not a whole half of gauge difference.
To answer your question the gauge was out of dash and grounded along with the sender flange.
Last edited by kahoys; 03/01/2015 9:14 PM.
