'99 GTX LTD not getting fuel

[Mr. Green]

First off I'd like to thank you all for all the help thus far, you're awesome!

I replaced the gray lines, the fuel filter, the selector valve and rebuilt the carbs. All lines are in the correct places but the carb is not pulling any fuel to the carb. (It was prior to all of this) I can suck fuel to the fuel filter by mouth with the valve in the on position.

Not sure where to look from here, pull the carb again?

 

[mikidymac]

Did you follow the carb rebuild sticky?
If it isn't pulling fuel then there is an air leak in the fuel system, pulse line isn't connected or fuel pump isn't correct.