Wiring Diagram Fuel Gauge Boat. 1 the boat harness which is the two wires from the battery to the fuse panel. The thickest wires are 00 or 0 gauge.
The gauge has three connections. Testing Boat Analog Fuel Gauge and Boat Fuel Sending Unit. The larger the gauge number the thinner the wire.
Marine Fuel Gauge Wiring Diagram Download.
If the gauge then reads full scale then the problem was with your sender. A wiring diagram is a simplified standard pictorial depiction of an electrical circuit. The fuel gauge should now show the correct fuel level in the tank. The smallest gauge allowed on boats for a single wire is 16 gauge or 18 gauge in a bundle or sheath but this may be way too thin for the equipment or the length of the wire run.
