One problem related to wiper has been reported for the 1998 GMC Sierra 1500. The most recently reported issues are listed below.
The contact owns a 1998 GMC Sierra 1500. The contact stated that the windshield wipers would fail sporadically. The vehicle was not taken to the dealer. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was 103,000 and the current mileage was 107,000.