Jeep Commander Trailer Wiring | etrailer Trailer Wiring Harness Installation - 2006 Jeep Commander. Today on our 2006 Jeep Commander, we'll be installing the tow ready T1 connector wiring kit, part number 118408. To begin with, we'll go ahead and raise the rear hatch of the vehicle. Amazon: jeep trailer wiring harness - Mopar Amazon: jeep trailer wiring harness - Mopar. Skip to main content. Try Prime All Mopar OEM Jeep Commander Trailer Tow Wiring Harness Kit - 82211150. More Buying Choices $209 (1 new offer) Chrysler, TRAILER TOW WRG Kit 7 WAY, 82210214AB. 5.0 out of 5 stars 1.