Looking at that wiring diagram it's nice to know if I was in your situation I'd only have to troubleshoot 5 out of the 11 sub-branches lol thumbs up for a basic XLT model
Ps I'm not gonna lie I am confused about this:
Longtime lurker, fist time posting.
04 EB Expedition recently got a CEL (P1633) and shortly after that no power to HVAC unit, no remote start or door locks, locked in park. Blowing fuse 5 (PCM). Vehicle runs and drives