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  1. #1
    Seasoned Camper RoadRunner's Avatar
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    Battery terminal corrosion on TV Battery

    Does anyone know what's causing my corrosion? On my 2013 F350, the driver's side positive terminal corrodes. I'll clean it up, use the felt discs, spray the anti-corrosion oil (red) on all of it, and within a few weeks it's back..Is this an indication of a bad battery post or something else. The batteries are of unknown age as I bought the truck used. Thanks for your thoughts

  2. #2
    Site Sponsor Cate&Rob's Avatar
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    RoadRunner - I think there is a relationship between a post that stays damp and the corrosion that you are seeing. This will be worse if the water contains battery acid. (I have seen this on boats). Is the end cell of the battery over full, or is the cap cracked, or is there a reason that rain water puddles around this terminal?

    Rob
    Cate & Rob
    2015 Reflection 303RLS

  3. #3
    Seasoned Camper RoadRunner's Avatar
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    Rob, I haven't checked the level of the post well, good thought. I have noticed the dampness on the top off the battery in areas, as if it migrates from around the posts or from under the covers. nothing obvious as to what's causing the migration. Thinking it's time to replace both batteries..

  4. #4
    Seasoned Camper RoadRunner's Avatar
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    Well I bit the bullet and replaced both batteries. The parts man at the dealership said they appear to be from factory, so it's time anyway! Time will tell if this helps..

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