How do you replace the fuel pump on a 1992 GMC Sierra?

To replace the fuel pump on a 1992 GMC Sierra, start by disconnecting the negative battery cable and relieving fuel system pressure. Then, remove the fuel tank by unbolting it from the frame and disconnecting the fuel lines and electrical connections. Once the tank is out, access the fuel pump assembly, remove it, and install the new pump, ensuring all seals and connections are secure. Reassemble everything by reversing the steps, reconnect the battery, and test the system for leaks.