TL*THE CONTACT OWNS A 2006 CHRYSLER 300. WHILE DRIVING 72 MPH, THE CONTACT SMELLED SOMETHING BURNING AND THE VEHICLE BECAME ENGULFED IN SMOKE. THE CONTACT PULLED OVER AND EXITED THE VEHICLE TO INVESTIGATE THE ISSUE. HE OBSERVED THAT THE WIRES WERE BURNING FROM THE FRONT OF THE VEHICLE TO THE REAR. HE CALLED THE DEALER TO ORDER A NEW WIRING HARNESS, BUT IT IS ON BACK ORDER. THE CURRENT MILEAGE WAS 61,258 AND FAILURE MILEAGE WAS 61,200.