1958 ford f100 fleet side short bed big back window

I have a very clean 1958 Ford F100.It is a very rare truck. It is a factory fleet side short bed, big back window.
It is 2wd.It has had a frame off restoration performed 20 years ago and parked in a garage ever since 2008.
It has a Chevy crate 350 with an 700 r4 overdrive transmission.It has vintage heat & a/c installed.It has also had the front suspension upgraded and power disc brakes.Truck was painted upside down, right side up, 20 years ago. very, very clean.Interior looks like new.Tilt steering column.
Recent work performed.Complete tune up.Oils changed.New Battery.New MSD distributor.New fuel pump.New brake master cylinder.New front brake calipers.
Tool box in bed not included.Bed of truck is super clean and paint both top and bottom body color.
Everything works as designed except fuel gauge is stuck at full. Horn doesn't work, factory horns installed under hood. After market tach doesn't work.