One problem related to defogger heater has been reported for the 1996 Ford Explorer. The most recently reported issues are listed below.
The blend door froze -this disables the cars heating air condition and defrosting systems I contacted the dealer- and was told it would cost $100. 00 to determine if that was the problem and that Ford would not help(the dealer checked) ---I then contacted Ford myself--I was told too bad--no help .