1977 V20 fuel level sensor on tnak not working

[bradford]

Pretty easy fix although boat fuel gauges and sending units can be very inaccurate even when new. I haven't run one in years, but plan on installing a mechanical gauge this summer if I ever get caught back up.

[SkunkBoat]

Google "moeller fuel sending unit instructions".
The float type have to be adjusted correctly.

Also, make sure that the float isn't hitting a baffle in the tank when it swings