96 Tahoe fuel problem

Hi Just looking for some help. My tahoe will not start seems to be fuel related, it quit back in december replaced fuel pump ran fine till last weekend. Quit again again replaced fuel pump because I couldn't hear the pump running. Didn't help could sombody tell me where the power for the pump comes from and a way to trouble shoot it.
Thanks in advance for any help
Jim

What was the outcome? Did you fix the problem?

What was the outcome? Did you fix the problem?
Found a bad wire at the plug where it plugs onto the fuel pump was very frutrated finally just took it to a shop and they found the problem.