Truck doesn't turn on

If you put a new fuel pump in this model may need the wiring harness that goes with teh quality fuel pumps. It is a harness about afoot long and needs ot bereplaced as the old one often doens't make good contact and wil act like it's a bad pump. You should haveat least 55 p.S.I. Of fuel pressure. You might have also damaged the wires inside the tank. As those are very fine and break easily. Code p1345 is the crank sensor is out of sync with cam sensor. If you have removed the distributor or turned it that may be why the code set. Crank the engine and see if you have fuel pressure at the rail. You probably don't and you'll have to recheck yoru fuel pump install.