WHILE DRIVING ON HIGHWAY CHECK ENGINE LIGHT CAME ON. SMELLED BURNING, ANOTHER CAR PULLED ALONG SIDE AND YELLED "YOU ARE ON FIRE" AFTER STOPPING THE TRUCK I WAS ABLE TO EXTINGUISH THE FLAMES UNDER THE ENGINE BY APPLYING DRY POWDER FIRE EXTINGISHER INTO THE OPEN HOOD. LATER INVESTIGATION BY A CHRYLSER HIRED INVESTIGATOR INDICATED THE STARTER CABLE SHORT CIRCUITED TO A SHARP BRACKET ATTACHED TO THE FRAME CAUSING THE ELECTRICAL HARNESS TO CATCH FIRE. IN MY OPINION CHRYLSER IS DRAGGING THEIR FEET IN AUTHORIZING A WARRANTY REPAIR