Changed both gas tanks on my 86 C-20, hooked everything back up the same. The switch works. Gauge works when I fill either tank, however it seams to get stuck at about 3/4 tank, on both tanks. Anyone know why???
the floats are gas logged or the sending unit is bad or a bad ground these years are bad for bad grounds good luck hope i helped u out see ya trklover a pickup man for life
