Check owner's manual. If you don't have one copy and paste link below; www.fleet.ford.com/maintenance/owners_manuals
Location of fuel pump relay on 2000 Ford F-350 SUPER DUTY PICK-UP.
The fuel relay on a 1992 Chevy G20 5.7 liter, 350 is under the hood attached to the firewall at the top, just under the wind screen
Blown fuse, defective fuel pump relay or the fuel pump has failed.
For the fuel gauge? In the gas tank on the fuel pump.
There is a fuse in the fuse box, a relay in the relay center and a pump in the tank. fuse is under the hood on passenger side by hvac box it has a cap on it should be a 15 amp fuse
inside the fuel tank
In a 2006 Ford E-350 : In the Power Distribution Box ( which is " live " ) located in the engine compartment : ( Relay " A " is the fuel pump relay , it is next to fuses # 21 and # 22 )
The fuel pump relay for that vehicle should be located under the hood, on the firewall, on the passenger side.
Check the fuses.
check up towards your battery, on my 89 formula 350 it was in a black case kind of like a relay right by the battery just hangin out there.
Need to check Fuel pump relay and fuel pump fuse. Also need to check fuel pump pressure. Is there fuel in the tank, Gauge may be lieing to you.
Remove the fuel tank to access the fuel pump assembly.