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Juan Crespo
Juan Crespo, ASE Certified Technician
Category: Chevy
Satisfied Customers: 1498
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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My wipers won't s, My wipers will shut off but they will

Customer Question

My wipers won't s
JA: Have you checked the fuses? Do you know if there is power to the wiper motor?
Customer: My wipers will shut off but they will start again at any time
JA: What is the model/year of your Chevy?
Customer: 2007 Chevy blazer
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I am not mechanically inclined
JA: Anything else you think the mechanic should know?
Customer: No that's it
Submitted: 3 months ago.
Category: Chevy
Expert:  Juan Crespo replied 3 months ago.

Hi there.

GM issued a technical service bulletin addressing that very same issue:

DEFECT: The windshield wipers on these sport utility vehicles may fail to turn on, unexpectedly stop working, fail to turn off/on by themselves (moisture sensitive wiper system), or the washer pump may operate continuously because water can enter the wiper module and either cause a short circuit or corrosion of components within the module. Driver visibility could be reduced, which could result in a crash.

REMEDY: Dealers will cover the windshield wiper module vent hole with a patch. Also, the wiper motor, circuit board, and electrical connector will be inspected for signs of water intrusion and/or corrosion and be replaced as required. Owners may contact Chevrolet at 1-***-***-****

Please let me know if you have any other questions.