COMMAND-TRAC PART TIME 4WD SYSTEM. (J) Model, (U) Model, [All Vehicles W/O Air Cond] Engine Harness, 52104102, 521041030 ., Engine harness, Engine wiring, Injector Harness To Trans Filler Tube, Instrument Panel Wiring to Center Bracket, Leak Detection Pump Harness Routing, Left Front Engine Wiring, RHD, Wiring Hold Back, Wiring Rear Suspension, Wiring retaining.