On Wed, 12 Dec 2007 23:31:26 -0700, Big Al rearranged some electrons to
> "Scooter" wrote in message
>>I have a 1986 f-150 and the fuel gauge is inop and the tanks do not
>> switch. I am guessing it is probably the tank selector switch as this
>> seemed to happen all at once. Suggestions?? Diagrams???Anyone know of
>> testing proceidures.
> There was a recall on the valve that switches the tanks. It's under the
> truck at the drivers door. The switch on the dash switches the fuel
> pumps, fuel pressure does the rest. On some, if you fill the tank it's
> running on, fuel will be pumped into the other tank until it starts
> running out.
The gauge connections are switched at the dash switch, IIRC. If the
gauge isn't working, then I would suspect the selector switch as a
possibility. >> Stay informed about: dual tanks do not switch and gauge dosn't work