Is your fuel gauge no longer working or is inaccurate? A common problem on older boats, but is an easy fix. With the boat running, determine if the gauge is receiving power, with a multimeter between the ground and the positive terminal on the back of the gauge, if it is receiving power check the sending unit. Proceed to the next step, if there is no voltage then the fault is in the ignition circuit and the gauge is most likely good. Thoroughly check the terminal, the connections at both the tank and gauge, and all wiring is complete. Shop ProPride Marine for knowledgeable staff and fast shipping. Orders are generally shipped the same day.