One problem related to defogger has been reported for the 1999 Plymouth Voyager. The most recently reported issues are listed below.
: the contact stated while driving 30mph, the airbag warning light illuminated without any prior warning. Afterwards, the dash panel clock, radio, and heating defroster stopped working. The contact parked the vehicle and attempted to turn the engine off. The key would not release from the ignition and the engine continued running. After multiple attempts, the contact removed the battery cables from the battery and reattached them. The engine stopped running, but the clock and radio illuminated indicating normal function. Although the key remained in the ignition, the vehicle was not seen by a dealer.