The by-the-book way (at a shop): Drop the exhaust.
Drop the rear-end.
Drop the tank.
Access from the top of the tank and remove, replace, reverse.
$600-800 (parts and labor)
The do-it-yourselfer way (in your driveway): Pull back the rear liner.
Cut a big hole with a cutting tool.
Access from the top of the tank and remove and replace.
Screw a piece of sheet metal over the hole.
http://www.ls1tech.com/forums/lt1-lt4-modifications/1146400-fuel-pump-replacement.html
$150-$250 (for the part) There are better links and pictures on Google somewhere as well. Do some research.
driver side kick panel
Does it crank? do you have spark? fuel?
There is no "reset" switch for the fuel pump on that 94 Blazer. If the fuse and relay for the pump are good, chances are the fuel pump has failed.
The fuel pump is in the fuel tank.
where can you find the fuel pump relay on a 94 plymouth acclaim?
The fuel pump is in the tank.
It has an electric fuel pump and it is inside of the fuel tank.
How do you change a fuel pump on 94 Chevy caprice ls
The fuel pump is located inside the fuel tank.
The electric fuel pump is inside the fuel tank
In the fuel tank
If you bypass the fuel pump the car will not run.