JJ01769

Heres the situation. I couldnt get my 7 to start one day after changing the oil. My friend and I thought there might be a fuel leak so we started to take things apart. Right now, the uim and tb are still off, wanted to make sure the fuel system was working first. I turn the key over and i get a clicking from the pump in the back but the gauge on the fpr isnt reading anything. My set up currently is a walbro 255 to the fuel filter, filter to the primary using 5/16 fuel injection line, primary to secondary using 5/16, then from secondary to an aeromotive fpr using a -6an line, fpr to return. I have a little pressure gauge screwed into the front of the fpr and right now when i click it over, it reads no pressure. Any Idea on what it could be or where to start taking things back off to check them.