Got a fuel problem with my 01 GMC truck.

[crazy]

While out of town, my truck quit while idling during my lunch break. Skipped once, then quit. It would fire off of ether, but would not stay running. I checked all fuses and relays/breakers. Concluded it was the electric fuel pump. Took tank off, pump out, plugged it up and it would not run the 5 seconds or so it was supposed to after switch is turned on. Spent $254 that I had to borrow on a new fuel pump. New pump would not run either. Couldn't take it back, as it was electrical and now used. The pump has 4 wires going to it. 2 for the fuel gauge, 2 for the pump. I used jumper cables and new pump worked fine. I spent 3 days going through this, with my truck left sitting in a parking lot 3 hours from home. Today was Friday, and I was coming home one way or the other. The only wire I could find was #10 solid copper! But I straight wired it, no fuse or switch and it got me running.
Now I wonder what the problem really is. Has the computer died, or do I have a broken/shorted wire somewhere? I shook the entire harness while someone worked the key back and forth. My redneck repair was just to get me home. Mission accomplished. So where do I go from here? Thanx guys for the input. These models had chronic fuel pump/wire problems. But is this the case? Thanx again, Crazy