Get message low oil. Oil ok oil pressure ok

My truck kept blowing the fuel pump fuse. I could change the fuse and it would drive for a minute then it would blow again. Now it won't start at all and i tested the wires with an eye tester and it's… 

Replace fuel pump,suuply pump,fuel rail pressure sensor

Engine vacuum system correct location

Vacuum leak, stiff breaks, engine stall, oil leaking in engine

I dont find vacuum diagram