after installing a new oil cooler my 6.0 will not crank over and I have no injector noise or communication with my scanner , that is until I unplug the center connector to the PCM then injectors come on and engine cranks and pcm communicates with the scanner

 

after installing a new oil cooler my 6.0 will not crank over and I have no injector noise or communication with my scanner , that is until I unplug the center connector to the PCM then injectors come on and engine cranks and pcm communicates with the scanner

 

You actually posted in the wrong forum. Maybe a mod can move this to the 6.0 forum.

I really am just guessing here, but did you get the ground wire put back on the intake stud behind the FICM?

Kevin

 

https://www.ford-trucks.com/forums/forum107/

You might get better responses here....