Communauté Nissan Pathfinder

Im trying to look for the fuel
Pump relay fuse on my car but had no luck so far. Any help would be gratefully appreciated. What does it look like or say on it and where is it actually located.

Cranking but not starting

Horrible rough idling No accelartion Lost of power Changed spark plugs Changed coils Changed intake manifold gaskets It then stalled while driving on highway Had it towed home Any suggestions greatly… 

Ac control panel lights up but does not work the radio works but none of the ac buttons

Over heated so i replaced head gaskets (diy ) first time ever put all back together now it cranks but wont starti can hear fuiel pump wrkining see a spark tryed starter flued but just wont start dont…