1993 Nissan Pathfinder fuel-pump not getting power despite changing fuses. Problem has happened before & mechanic who repaired that said he just changed fuses & that solved the problem. Please help

OK THERE IS FUEL PUMP RELAY UNDER THE HOOD ITS IN A BLACK OR GRAY COLORED FUSE BOX LOCATED ON TOP OF ONE THE FENDER WALLS OPEN IT THE FULE PUMP RELAY IS THERE SOME TIMES MACHANICS CALL THOSE FUSES ALSO... ANYWAYS IF YOU OPEN THE HOOD AND HAVE SOME TURN THE KEY ON HERE YOU CAN THE RELAY CLICK IF ITS ANY GOOD IT CYCLES FOR WHEN STARTING FOR FIVE SECONDS WITH KEY OFF FOR ATLEAST 30 SECS THEN IT RESETS AND CYCLES AGAIN THE HORN RELAY IS THE SAME AS THE FULE PUMP RELAY SWAP THEM TO GET YOU GOING THEN REPLACE IT.... I PUT ONE RELAY IN MY GLOVE BOX ONLY ABOUT 8 OR 9 DOLLARS A PIECE BUT THERE IS ALSO A FUSE FOR THE FUEL PUMP LOOK IN YOU OWNERS MAN UAL IT WILL HELP YOU LOCATE THE BOXES GOOD LUCK POHLCAT

If it is blowing fuses, it has not been 'fixed'-the fuel pump is drawing more current than the circuit was designed to handle, pointing to two possiblilties, either a fault in the wiring harness to the pump, or the pump itself is drawing too much current duo to wear possibly overheating due to running the tank low-gas 'cools' the fuel pump so running a tank low is often fatal to a fuel pump, especially an older one. You might try switching the fuel pump relay with one that is not used as much (like an ABS or horn relay) to see if it makes any difference, but you probably will need to plan a fuel pump replacement in the near future.