2004 JEEP GRAND CHEROKEE LOST ALL ELECTRICAL POWER INSIDE VEHICLE ON MULTIPLE OCCASIONS. *KB THE CONSUMER WAS TOLD THE PROBLEM WAS A FAULTY BCM. HOWEVER, THE SAME PROBLEM RECURRED ONE MONTH LATER. IN OCT 2005, THE CONSUMER EXPERIENCED UNWANTED ACCELERATION WHILE HE WAS PULLING INTO THE GARAGE AND HIT ANOTHER VEHICLE. THE CONSUMER STATED THE CHECK ENGINE LIGHT WOULD OCCASIONALLY COME ON AND THEN GO OF. THEN THE REAR HATCH LIGHT WOULD COME ON, THE TIRE PRESSURE LIGHT AND THE SECURITY SYSTEM STOPPED WORKING. THE DEALER THEN FOUND A BROKEN GROUND WIRE IN THE ENGINE HARNESS. THE WINDOWS WERE INOPERATIVE.*JB