check the fuel pressure regulator at the line. Lift up the hose and see if any fuel comes out, if so you need a new regulator. Make sure u keep at least 1/4 tank to keep the new pump cool.
I have 5% all around with 20% on the windshield...I get harassed all the time mainly for the windshield...My PBA card gets me out of it all the time..The tint law in NY is 75%
check out the sticky (Chilton Library) at the top of page for the service bulletin for your truck..This article is also informative http://www.youfixcars.com/chevrolet-fuel-pump.html
Make sure you are installing a new harness when replacing the fuel pump because it may be an electrical problem at the sending unit causing premature failure. There was a tech bulletin for this...And also keep at least 1/4 tank to keep the pump cool
If your fuel filter is not accessible from under the truck hooked to the fuel lines than dont worry. I forgot what year they started putting the filters in the tank.
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