Originally Posted by Stampede4.7
That is probably your issue. The wiring harnesses are not plug and play, you will probably have to move pins to different locations. What pcm did you use? Are you doing a Hemi swap, what is your main goal with swapping the 03, 04 and the 05 harness?
I bought the truck cheap with a smashed cab... I guess Im going to swap all the cab wires over