The nuts which hold windshield wiper motor to the wiper module may not have been sufficiently tightened and may loosen or come off. This causes changed wiper patterns, or the wipers may jam if two of the three nuts come off.
Visibility & wipers
Ford Thunderbird Visibility problems by year
0 complaints filed with NHTSA about the Ford Thunderbird's visibility & wipers. Windshields, wipers, defrosters, mirrors, backup cameras and glare.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data