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  1. Speedo jumps when wipers are on intermittently

    6.4 Electronics Discussion
    Intermittent wipers are causing my speedo to act erratic. When I use speed 2 thru 4 on my wipers the speedo jumps. I have an 09 f350 single rear wheel with only 38k miles. I am assuming it's wire related but would greatly appreciate some help. thanks
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