Chevrolet Repair: fuel pump problems, chevy 1500, fuel pump

Question
just replaced fuel pump in 1992 chevy 1500 and 3 days later it stopped working again. why do you think this happened?

Answer
HI DAVID,DID YOU USE A GM PUMP ??? AFTERMARKET PUMPS ARE NOT GOOD BUT SHOULD LAST LONGER THEN THIS..I WOULD SUSPECT WIRING ON TOP OF THE TANK IS CORRODED. CK THE HARNESS REAL GOOD AND ALSO MAKE SURE THE FUEL PUMP FUSE AND RELAY ARE OK..WE HAVE SEEN MANY CORRODED WIRES ON TOP OF THE TANK AND AT HARNESS PLUG FROM MAIN HARNESS TO THE PUMP HARNESS...LET ME KNOW HOW YOU MAKE OUT..TOM..