1994 Ford Taurus fuel pump

When 1st key on fuel pump should come on for a minute and you should be able to hear it
if not have to check for power 1st and before dropping the tank
the difficult part is that you maybe dealing with rust other then that should be some what OK to do
but tank must come down for the fuel pump replacement
You can try this also
hit the middle of the tank with a rubber mullet as a helper trying to start the engine
if that get it going fuel pump need to be replaced

Fuel pump should be the same

Release fuel pressure. Drain fuel from tankif possible. Raise vehicle on hoist. Remove exhaust heat shield. Remove exhaust pipe (if necessary). Remove fuel inlet and return hoses.
Disconnect vapor crossover and filler hoses. Support fuel tank. Remove fuel tank strap bolts. Partially lower fuel tank. Disconnect fuel lines and electrical connector from fuel gauge sender. Remove fuel tank.
Remove any dirt from around fuel pump flange area. Using Fuel Tank Sender Wrench (D84P-9257-A), remove fuel pump locking ring. Remove fuel pump.
Installation
Clean fuel pump mounting flange, fuel tank mounting surface and seal ring groove. To hold new seal ring in place during installation, apply a light coating of Long Life Lubricant (C1AZ-19590-BA) on seal ring.
Install seal ring in fuel ring groove. Install fuel pump and sender assembly. DO NOT damage nylon filter. Ensure locating keys are in keyways and seal ring remains in place.
Using Fuel Tank Sender Wrench (D84P-9257-A), tighten locking ring by rotating ring clockwise until ring stops against stops. To complete installation, reverse removal procedure.
Pressurize fuel system and check for leaks. To pressurize fuel system, turn ignition on for 3 seconds, then turn ignition off. Repeat ignition cycle 5 to 10 times.