THIS ISSUE STARTED WHEN THE BACK HATCH OF THE TRAILBLAZER WOULD NOT LOCK OR OPEN AND THE REAR WIPER WOULD NOT WORK. AFTER DEALING WITH THIS FOR A FEW MONTHS THE DOORS, WINDOWS AND DRIVER SIDE SEAT STOPPED WORKING. ALSO, THE DOORS WOULD NOT LOCK/UNLOCK WITH THE KEYLESS ENTRY. AFTER SOME RESEARCH, I CHANGED THE LGM FUSE (IT WAS BLOWN). ONCE THE FUSE WAS CHANGED EVERYTHING STARTED WORKING EXCEPT THE BACK HATCH. I MANUALLY LOCKED THE BACK HATCH AND CLOSED IT. ONCE THE HATCH WAS CLOSED ALL OF THE DOORS LOCKED AND I COULD NOT OPEN THE TRUCK. I MANUALLY USED THE KEY AND OPENED THE DRIVER SIDE DOOR. WHEN I OPENED THE DOOR I COULD HEAR THE ELECTRICAL WIRES BURNING IN THE DOOR PANEL AND THROUGHOUT THE TRUCK. THE TRUCK WAS FILLED WITH SMOKE AND SMELT OF BURNT PLASTIC. LUCKILY I WAS NOT INSIDE THE TRUCK WHEN THE FIRE STARTED BECAUSE NONE OF THE UNLOCK OR WINDOW BUTTONS WORKED. I WOULD HAVE BEEN STUCK INSIDE OF A BURNING TRUCK. I UNPLUGGED THE NEGATIVE CHARGE OF THE BATTERY AND PUT THE FIRE OUT. ONCE THE FIRE WAS OUT I TRIED STARTING THE TRUCK AND IT WOULD NOT START. I WENT THROUGH ALL OF THE GEARS WITH THE TRUCK OFF, I PULLED UP THE E-BRAKE AND THE TRUCK STARTED. ONCE I SHUT THE TRUCK BACK OFF IT WOULD NOT START AGAIN. *TR