WHILE DRIVING JEEP LOST ALL POWER THIS HAS HAPPENED 4 TIMES I TOOK IT BACK TO DEALER BUT THEY DIDN'T FIND ANY THING THIS LAST TIME IT WAS IN A REAR END ACCIDENT SO CHRYSLER TOOK IT BACK TO INVESTIGATE THE PROBLEM THE DEALER HAS HAD FOR A TOTAL OF OVER 9 WEEKS AND STILL DON'T HAVE A ANSWER FOR IT I DON'T KNOW WHAT TO DO KNOW CAN YOU HELP.