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What is 4788 DC Accessory #2 "Head Water" Circuit???

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    What is 4788 DC Accessory #2 "Head Water" Circuit???

    I've been tracing wires on our boat, and am puzzling over the DC accessory #2 switch.

    Accessory #1 is the flybridge fridge, and Accessory #3 and #4 were clearly added by a prior owner - and I have traced them out.

    But accessory #2 is a mystery. It is a brown/white wire with the factory wiring label tag saying "Head Water".

    But what on earth is "Head Water"???

    It is clearly part of the wire bundle pulled by the factory - do any other Bayliner 4788 owners have this? What is hooked up to your accessory #2 circuit?

    Help solve the mystery!

    Cheers,

    - Chris
    Chris & Cherie - www.technomadia.com
    "Y-Not" - 1999 Bayliner 4788
    "Zephyr" - 1961 GM PD4106 Vintage Bus RV Conversion

    Full-Time nomads since 2006.
    Now spending half of each year slowly doing the Great Loop in our 4788!

    #2
    Pretty sure it is for the head water pump for the std electric heads NOT vacuflush which was an option. It is in the 4788 owners manual....
    Brad & Michelle
    Jet & Maverick
    1993 3688 "the Kraken"
    Hino W06 250HP
    14' Avon RIB, 50hp Tohatsu
    Moored at Shelter Bay
    LaConner, WA

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