Mine did the same thing the switch that engages the locker went out and it took them almost a month to get the replacement locker as they can not replace the switch themselves if it's bad.
Also make sure they have someone trained in installing the locker in the JK because my dealer did not and screwed up causing me to wait 3 more weeks
07 Rubicon 2 Door Soft top 6 Speed
Rubicon Express 3.5in Superflex System
Skidrow skid plates
Kilby Muffler Skid
35x12.50x17 Intrco Truxus M/T's
Eagle Alloy Rims