CTS-Vette Eater

iTrader: (7)

I am trying to start my new setup but my injectors are not opening. Setup is a stock 2005 ecu with a aem driver box and delphi 95 lb. low impedance injectors. I have fuel to the rail. I have 12v to the injectors. I have good grounds on the motor, I have swapped out ecu's to confirm that the drivers were not bad. I have spark so, I am getting signal from the crank trigger. I am just not getting any pulse. Any ideas as to what could be causing this?