VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH CODE 16XWD (SUNSHADE OPTION CODE). SOME WIRES IN THE SUNSHADE WIRE HARNESS HAD INSULATION THAT DID NOT MEET TEMPERATURE SPECIFICATIONS. SOME HARNESSES HAVE BEEN FOUND TO HAVE ENOUGH MELTED INSULATION TO CREATE AN ELECTRICAL SHORT.
IF THE WIRE INSULATION IS MELTED ENOUGH TO CREATE A SHORT, THE POTENTIAL FOR A FIRE EXISTS. THIS SHORT CAN ALSO OPEN THE CIRCUIT THAT CONTROLS ALL THE MARKER AND TAIL LIGHTS. IF THE TAIL AND MARKER LIGHTS GO OUT, THE VEHICLE COULD CAUSE A CRASH.
DEALERS WILL REPLACE THE SUNSHADE WIRE HARNESS.
INTERNATIONAL RECALL NO. 99510.OWNER NOTIFICATION BEGAN SEPTEMBER 24, 1999. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT NAVISTAR AT 1-800-448-7825.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).