The only way water could get into tank is if the fuel sending unit started leaking.

Pontoon gas tank sending unit. Has a 30 gallon tank. Skip to compare menu. The last wire goes on the S terminal S is for sender.

Break it down piece by piece. There should be access where the fuel lines runs to the engine so follow that hose from the engine back to the tank. Labwork Fuel Tank with Built-in Level Sender 5 Gallon Coated Aluminum Fuel Cell Gas Tank Level Sender RacingDrifting Black 47 out of 5 stars 32 7198 71.

There is a section of the floor that is screwed down and sealed with silicone caulking. And this comes in from the key ON power wire from the key switch. These wires consist of the power or 12 volts wire.

Go back to the sending unit and with a screwdriver lay it across the center stud to. Jan 20 2010. These are usually a yellow or purple wire.

The floats are different aircraft sender units are mounted vertically but they seem to have the same base with screw hole pattern use the same electrical connections 2 wires one is a ground Changing a fuel tank sender unit is one of the easiest things there is to fix on a boat just make sure the new unit has the same lentgh float arm. Shop top brands like Moeller Marine VDO Wema USA. My gas cap doesnt have a vented cap it is vented by hose up to side wall of fencing.

Go to the fuel tank. I was hoping there was an entry hole above the sending unit but apparently not or no one is sure. Moeller offers the boater a range of sending units for initial installation or to replace existing units.