1995 Ford F-150 Lightning Q&A

1995 Ford F-150 Lightning Question: why does it keep dieing?

I replaced fuel filter,ign.module cap rotor,wires,plugs,coil,and all the cats (4) It will start and run great but when I shut it off It wont start and then I have to wait for at least 2 hours and than it will start back up...Help!!!did not receive any trouble codes... -
Answer 1
could have a bad battery or alternator -
Answer 2
Fuel pump relay getting hot. -