What ya need done? Partzilla is where I order my parts, about the same as any other oem or local, but they are in Ga and get my parts, that are in stock usually in 2 days. And their schematic on parts is great.
That's correctThe front isn’t locking but I assume the rear is?
From what you sent and the other stuff I pulled up online it's more than likely the armature sticking in the gear box. Switch works and sends 12 volts to the gear box plug. Several on the internet swear they changed the fluid and that fixed there's. I'm gonna try that and see but I really don't see that. It's a 2015 570 midsize efi.Hmm, that’s definitely weird. What year is it?
a quick Goog came back with the following: Front Differential Won't Engage