50 Merc Fuel Sending Unit Wiring Diagram. 7590 fourstroke efi wiring diagram 1 electronic control module ecm 2 engine water temperature sensor 3 ignition coil for cylinder 1 and cylinder 4 4 ignition coil for cylinder 2 and cylinder 3 5 fuel injector 1 6 fuel injector 2 7 fuel injector 3 8 fuel injector 4 9 data test port 10 main relay and fuel pump relay 11 electric fuel pump 12 splice saver 13. Fuel gauge sending unit wiring diagram wiring diagram is a simplified customary pictorial representation of an electrical circuit.
The wire marked runs to the engines ignition switch. Always disconnect battery ground before making any electrical connections. A wiring diagram usually gives suggestion not quite the relative.
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Fuel sending unit wiring diagram. Bluewhite trim up switch gray tachometer signal greenwhite trim down switch tan water temperature sender to gauge lt. A pictorial circuit 50 merc fuel sending unit wiring diagram works by using simple photos of elements whilst a schematic 50 merc fuel sending unit wiring diagram exhibits the factors and interconnections from the circuit applying standardized symbolic representations. 20321cube fuel pump 20321cube flow curve 20331dura lift fuel pump 20331dura lift flow curve 20341cube fuel pump 20341cube flow curve 20351cube fuel pump 20381gasoline and diesel fuel filter 20391gasoline and diesel fuel filter 20751three way fuel line valve 20761three way fuel line valve 20901water sep fuel filter 20941in line fuel.