How do you replace the fuel pump and filter in the 2004 Isuzu Ascender?

To replace the fuel pump and filter in a 2004 Isuzu Ascender, first, relieve the fuel system pressure by removing the fuel pump fuse and running the engine until it stalls. Disconnect the battery, then access the fuel pump by removing the rear seat and the fuel pump access cover. Disconnect the fuel lines and electrical connectors, then remove the old pump and filter from the tank. Install the new pump and filter, reassemble everything, and reconnect the battery.