The other wire runs to ground. The wire marked runs to the engines ignition switch.

Figure 20 Fuel Tank Sending Unit Removal And Installation
Wiring a boat fuel sending unit. Note the marks i made to align screw holes dark and the float arm inside the tank in pencilright. 44 out of 5 stars 152. Super easy boat wiring and electrical diagrams step. You can also use diesel if separate return line is available. More buying choices 6740 10 new offers spectra premium fg73a sending unit for ford pickup. Boat gas tank sending unit.
The new fuel gauge. Electric sending unit to fuel gauge wiring diagram your moeller promise. Here is a quick method of determining whether the fault lies in your boats fuel gauge or in the fuel gauge sending unit on the tank. Enjoy great priced products with fast shipping. There are two types of sending units. Some jack leg idiot has got what looks like an extension cord of a fairly large gauge like maybe 12 gauge wire hooked up to it and had wired a jumper to the battery from the center terminal.
The fuel sender for the typical us standard used in a marine application on this particular sending unit from moeller ground reference is the flange properly and youll want to investigate the wiring and or the gauge itselfthe fuel sender for the typical us standard used in a marine application is a simple device that presents a. Boat fuel gauges can be troublesome. The fuel sending unit is responsible for what the fuel gauge on your vehicle reads. The sending wire leads off the center post. The older float style which uses a magnet embedded in a float that resides in a tube sending readings of how high in the tank it is floating and there is the newer style that measures electrical resistance of the volume of fuel in the tank. How to troubleshoot fix a boat fuel gauge fuel.
My new sending unit installed. You may need a partner to complete this simple task depending upon how you proceed. Moeller marine electrical reed switch fuel sending unit complete with gasket and screws. Every piece has been pre inspected to guarantee full range of calibrated readings and designed for gasoline applications. How to test fuel sending unit and gas gauge. Gas tank sending unit wiring diagram help ok thanks for replys that will definitely help me.
Marine fuel tank sending units since 1998 iboats is the most trusted water lifestyle online store for boat parts and accessories boats for sale and forums.