I am not getting fire or gas ,on my 98 ford f 250. i have replace the fule pump, on 1998 Ford F-250

i have replace the fuel pump,tune up,crank sensor and cam sensor, still i am not getting no fire . can sombody please point me to my next lead, thanks in advance.
the sooner the better!!!

Asked by for the 1998 Ford F-250
If you are turning the key in the ignition and it is not trying to start, I would have the starting motor tested. If it is trying to turn over, there could be an issue with the ignition switch. Did you try to jumpstart this vechicle?