Help 09 kw w900 Cummins

I have a 2009 kw Cummins isx I replaced the gear lift pump, transfer pump, new remand Ecm and re did all the fuses and relay, the truck turns over but will not start I have to spray starting fluid in it for it to start no mechanic can’t figure out what it is, my question is is there anything Im missing over forget to go over in the process

side note I replace stuff because I sprayed the side of the motor off at the cefco truck stop the truck was off during the process and when I got ready to start the truck the truck powered up but the dash went blank and truck wouldn’t start or no dash lights came on. thanks any input would help

 

I replaced batteries to and double check all connections on battery side and fuse box by batteries

 

The dash lights work It’s just the start up and I know the jakes brakes, cruise control and manual fan does not come on

 

Had to rerun wires to fuse panel box basically replacing the back wall of the fuse box