Ohmmeter readings for the fuel sender unit.

Empty = 10 ohms

¼ = 32 ohms

½ = 65 ohms

¾ = 98 ohms

Full = 130 ohms

Fuel sender units

These are Ford items.

Gas Tank Sending Unit 1939 – 55, part number 99A-9275
Can be used either 6V or 12V systems
Easily Adjustable Length Brass Float
Includes Float, Gasket, and Screws
Improved solid state electrical design
Includes installation instructions
Use on 1935-55 vehicles with original dash gauges only