Three problems related to windshield wiper/washer motor have been reported for the 1998 Ford F-150. The most recently reported issues are listed below.
While driving in inclement weather, the windshield wipers suddenly stopped working. Driver was unable to see and was forced to pull over until the storm passed. Took it to dealer and the mechanic determined that the windshield wiper motor needed to be replaced, and he replaced it. However, the problem has recurred twice to date.
While driving in inclement weather windshield wipers failed. This caused poor visibility to the driver. Consumer was able to maintain control of the vehicle, and drove it to the dealer for inspection. The mechanic determined that the windshield wiper motor needed to be replaced, and he replaced it. However, the problem recurred.
While driving the windshield wipers stopped working without warning. The consumer was forced to pull off the road.