Two problems related to power window have been reported for the 1998 GMC Safari. The most recently reported issues are listed below.
Vehicle is experiencing a lot of electrical problems. The driver's side window will not go up and down, and it makes a horrible noise. Door locks lock and unlock inadvertently. Windshield wipers only work when it is not raining. The heat and air conditioner blower only operate through the defroster. Also, unless consumer keeps foot on the accelerator the battery almost dies.
Power mirrors malfunctioned. Yh.