Go back to the sending unit and with a screwdriver lay it across the center stud to the ground wire.

Pontoon gas tank gauge. When the vehicle is in motion the sending unit is in constant motion constantly rubbing the variable resistor. Install the new gauge reconnect the wiring and turn on the power. The center one is the sender wire.

The later part of the video even covers how testing can be done with a scanne. The more pressure the straighter the tube gets the higher the reading as the gauge can only withstand a very few PSI. With the ignition switch on.

S for the sender G or for the ground and I for the ignition. My grounds are good my gauge is functioning I ohm check the new sender and ohms check fine. 39 out of 5 stars.

Turn the key to on and jump between the 2 wires. There should be access where the fuel lines runs to the engine so follow that hose from the engine back to the tank. Get it as soon as Mon Jun 21.

14 tank of gas. Sweetwater - onboard gas guage in filler tank broke off. This means that when the float is at the bottom of the sender it will have the most amount of resistance.

The gauge only has 2 wires. The fuel gauge sensor is linear and designed for rectangular tanks. Most used pontoon boats will not have the same capacity unless the tanks have been upgraded by the current or previous owner.