E-Locker For Ford Ranger & Bronco Dana M220 Rear Diff 32 Spline Dana M220 Rear Electric Locker 2019+ Ford Ranger & 2021+ Bronco 32 Spline Yukon Gear & AxleDial in your traction from the comfort of the cab with the Yukon E Locker. At the flip of a switch the rear diff is 100 percent locked and ready for action. For normal driving situations turn the unit off and enjoy the efficiency of an open diff. This Yukon electronically actuated selectable locker provides 100 percent lock up on demand. When the unit is disengaged you get the convenience and streetability of an open diff so your rig will also be tame