i replaced the fuel pump the car still wont start.

thank you very much for your help...

bad connection in the fuel pump harness, the problem is solved, thank you very much for your help ..... well now my car is back in the shop an we have the same problem, the tech put in new relays and the car still wont start, could it be a bad fuel pump, the tech at the car dealer instead of checking to see if the pump is bad tried new relays an now after all this exspence, is now telling me to take the car to someone else he dosent know whats wrong with it . he just put a new pump in a week ago or so ... any ideas ?