One problem related to defogger has been reported for the 2005 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Ford F-150 based on all problems reported for the 2005 F-150.
Door to fresh air circulation in heat and air system broke, fell in cage around blower motor, makes noise as the fanspeed is increased. The only way to fix is to pull dash>>>.