Windshield Wipers May Fail Due to Faulty Wiper Motor Control Board on Chevrolet Suburban 1500

The windshield wipers may not work intermittently due to a faulty wiper motor control board. Our technicians tell us that lightly taping on the wiper motor when the fault occurs should temporarily get the wipers working again. Some vehicles were recalled for this problem and some were not. You will need to check with your local dealer to find out if a specific vehicle was included.

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Average mileage: 138,250 (35,000–190,000)
8 model years affected: 1992, 1993, 1994, 1995, more1996, 1997, 1998, 1999
17 people reported this problem
3 people shared problem details
I have the same problem. They work at times and then just stop working but I can hear the wiper motor running.
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mine our doing the same but i have found the problem seems to be a bad wiring connection at the motor plug.
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I have two 1993 GMC suburbans. Both have this problem. When turned, wipers randomly do not operate, or will stop when operating, even though it sounds like the wiper motor is operating. If you slap the wiper motor, the wipers immediately start. Its random and I haven't been able to duplicate it for my mechanic
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