At 12 I had 8 gallons in the tank not 12.

Pontoon gas tank with gauge. Take the sender wire usually has a female quick connect while the ground is a ring terminal and remove it noting the position of the fuel guage full empty ect. The gauge only has 2 wires. Remove the screws that hold the sending unit to the tank and take it out.

46 out of 5 stars. The sending portion on the bottom fell into the fuel tank and needle broke off. Portable Boat Fuel Tank 24L 6 Gallon Marine Outboard Motor Fuel Tank wConnector.

The center one is the sender wire. The fuel gauge sensor is linear and designed for rectangular tanks. Next go to the tank and youll find a ground and sender wire.

Electronic Fuel Gauge 12V. Our line of topside tanks offers an EPA-certified low-cost solution for center console pontoon deck and jon boat designs. The gauge should go to Full.

We carry an extensive line of boat gas tanks from leading manufacturers for both inboard and outboard engine fuel tank systems. If you can test at the pigtail on the gauge and you have 12V and a varying resistance value when you move your sending unit float I would bet on a bad gauge or maybe bad connection at the pigtail. When the gauge registers empty simply tilt the tank and the reserve fuel supply becomes available.

Our off-the-shelf permanent tanks for below-deck installation42 different models in allrange in capacity from 12 to 150 gallons. Fuel Tanks 1 to 29 Gallon. Sweetwater - onboard gas guage in filler tank broke off.