Go to your local autoparts store and by the Chilton's Guide for your model and year Jeep. There are too many variables to answer this kind of question on a board like this. The guide will cost you around $20 and will have everything you need to know inside. This is not a complicated repair and you should be able to do it within a few hours if you have the parts you need in place.
You buy tools and install it!
The fuel pump usually take about an hour and a half if you have the right tools.
No, no special tools needed, just common hand tools.
How do you get to the fuel pump
You will have to remove the gas tank and install a fuel pump module.
how to install a fuel pump on a 2000 jeep Cherokee 6 cylc
No You Will Not Be Able To Do This. The Relay Is Required To Make Your Electrical System Work For The Fuel Pump. The Relay Is A Switch Unto Its Self. It Shuts The On And Off As Required By The Fuel System. Even If You Were To Bypass It. The Pump Would Run All The Time. Suggest You Install A New Relay
Remove fuel tank, replace pump from top of tank, re-install. Change the fuel filter while your at it!
Removal Disconnect the battery ground cable . Remove the rear seat cushion. Disconnect the fuel pump electrical connector. Remove the four fuel pump cover screws and the ground strap. Remove the fuel pump cover. Remove the fuel tube clips from the fuel tubes. Disconnect the fuel tubes from the fuel pump. Use Fuel Tank Sender Wrench to carefully remove and, if necessary, discard the fuel pump locking retainer ring. Remove the fuel pump and discard the fuel pump mounting gasket. Installation Install a new fuel pump mounting gasket and position the fuel pump in the fuel tank. Install the fuel pump locking retainer ring. Connect the fuel tubes to the fuel pump. Install the fuel tube clips onto the fuel tubes. Position the fuel pump cover and ground strap and install the fuel pump cover screws. Connect the fuel pump electrical connector. Install the rear seat cushion. Connect the battery ground cable.
You must remove the fuel tank in order to access the fuel pump.
You will need to remove the fuel pump wiring harness. Remove the fuel pump fuel lines. Remove the fuel pump retaining bolts. Reverse the process to install the new fuel pump.
I've repalced a fuel pump in a 94 Cadillac STS and it required removal of the gas tank. The sending unit is on top of the tank.