FRONT/REAR E-LOCKING DIFFERENTIAL FITMENT;WIRING HARNESS FRONT/REAR;SWITCHES;THIS KIT IS INSTALLED BY CUSTOMER ONTO TRUCK;TECHNICAL ADVANTAGES THIS KIT IS SINGLE PART NUMBER NEEDED TO DO ENTIRE INSTALL;ENABLES INDEPENDENT ELECTRONIC LOCKING OF FRONT AND REAR DIFFERENTIALS FOR MAXIMUM TRACTION IN OFF-ROAD CONDITIONS;MAXIMUM RELIABILITY PREVENTS A BLOWN AIR SEAL FROM CAUSING A FLUID LEAKE ON THE MISSION PUMPING ALL OF THE GEAR OIL OUT OF THE SYSTEM;DURABILITY PROVEN IN MILITARY APPLICATIONS