I know these things can be a little frustrating. I am attaching a fuel pump wiring diagram for your truck fuel pump circuit. I forgot this truck should have a fuel pump test/prime wire. It is usually gray and it's a loose pigtail single wire usually near the battery box, or the ruse/relay center under the hood. You put 12 volts to that connector with a fused jumper wire and the fuel pump should run. Hope this helps.
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