No fuel pressure after replacing the fuel pump

Can you hear the pump running in the tank when you turn the key on without cranking the engine over? Also, did you use an AC Delco pump? It could be the fuel pump relay which is what I would check next here is a guide and the location of the relay in the diagrams below.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.