PURCHASED REMOTE CONTROL DOOR LOCK ON 10/10/03 FROM WALMART. WAS LOCKING DOOR AND ACTIVATED THE REMOTE CONTROL FOR VEHICLE'S DOOR. REMOTE CONTROL CAUSED TRAILER LIGHTS TO SHORT OUT AFTER HOOKING TRAILER TO VEHICLE. THERE WAS A FUSE BLOWN, AND VEHICLE HAD CAUGHT ON FIRE. HAD TAKEN VEHICLE TO DEALERSHIP, WHERE REMOTE CONTROL WAS DISCONNECTED. INCIDENT WAS CAUSED ON 10/25/03. *AK