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Hello, I have a 2008 GMC Sierra 1500 SLE Crew Cab 5.3L, no aftermarket parts or wiring in it, all stock. I had ice on my windshield this morning, not thinking i tried to use my wipers and washer fluid to defrost my windshield. The wipers did not move at all due to the ice, so i turned turned the wiper switch back to the off position. After chipping the ice away, the wipers started in the constant low speed setting and would not stop! Tried turning the truck off but they stayed on. I disconnected the battery and reconnected but the issue continued, so i pulled the fuse as a temporary fix. Does anyone know what this could be?? To my understanding it could be the wiper pulse board, fuse box, or the wiper switch arm. The turn signals and washer fluid still work fine so i don't believe it would be the wiper switch arm. I have checked online and it seems that others have had this issue but it happened randomly, so i'm hoping that since my problem seems to be directly from using the wipers when they were stuck, it may be an easy diagnosis. Any and all suggestions would be greatly appreciated! Thanks