Thread: What is this?

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  1. #1
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    What is this?

    2010 nitro x5

    what is this? It’s mounted on the transom at the water line, what does it do? I can’t trace the cable to where it goes?
    mercury optimax 90hp
    B2A0E1AE-D17B-410F-8E26-30F7CDE26CEB.jpeg

  2. Member
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    #2
    So it’s a PDRT-SW in hull transducer
    a temp sensor must be..... not hooked up to anything currently on boat.

  3. Moderator Fishysam's Avatar
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    #3
    Yes like a lowrance fish finder is the recipient
    Mercury 250 proxs 2B115089

  4. RIP Evinrude 1907-2020 JR19's Avatar
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    #4
    Water temperature sensor for a depth finder.