I own a 2012 Jeep JKU Rubicon with front and rear e-locker, a 2006 LR3 HD center and rear e-locker, and a 2003 Disco with a 2004 Disco center locking differential transfer case and shifter, Detroit True-Tracs front and Detroit Lockers rear. As nwoods explained "Steady.Gentle.Throttle.Pressure"...