WHILE SITTING IN TRAFFIC, PASSENGER (WIFE) MOVED HER WINDOW VISOR, A FLAME SHOT OUT TOWARDS HER FACE COMING FROM UPPER RIGHT CORNER OF WINDOW VISOR, WHERE WIRE FOR VANITY MIRROR HAD CHAFFED OVER TIME, DUE TO A PLASTIC COVERING EDGE TO HIDE WIRE.*AK FLAME WAS 4-5 INCHES LONG, 1 INCH THICK AND FLAMED FOR 6-8 SECONDS, THEN LARGE AMOUNTS OF THICK GREY SMOKE CAME FROM AREA. WIRE FOR VANITY MIRROR HAD CHAFFED AWAY THE WIRING COVER AND WAS TOUCHING THE METAL ROD USED TO HOLD UP VISOR. FUSE DID NOT BLOW. THIS COULD HAVE EASILY CAUGHT FIRE INSIDE MY HEADLINER, BEHIND DASH, ETC.