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In your engine fuse box locate fuses 4,5 and 7 and make sure they are all o.k. as these are the power fuses that are tied into the wiper operation.If these fuses are found to be o.k. this can be a fault with the wiper switch itself or wiper motor causing this fault here and the wiper circuit will need tested further to see which component for sure is at fault and then that component replaced to correct this issue here.
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