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Thread: speedo knobs

  1. #1
    Join Date
    Mar 2010
    Location
    Irondequoit Bay, NY
    Posts
    1,298

    Default speedo knobs

    anyone know what the knobs are that sit just under the speedos? i have two speedo's and two small round knobs. one under each, and all they do is spin.
    2004 Outback Blue/white w/5.7 indmar 350, Direct Drive
    Rockford fasgate cabins
    Rockford fasgate 500w amp (cabin) and a kenwood HU (kmr700u)
    Exile XM7's
    Exile Harpoon
    Exile ZLD
    Polk 10in sub (2)
    Polk P330 amp (subs)

  2. #2
    Join Date
    Jul 2010
    Location
    Vicksburg, MI
    Posts
    514

    Default

    They are used to calibtrate your speedometers. Use a hand held GPS and take your boat for a spin. Use the knobs to match the speedometers to the GPS as you are driving. You will see the speedometer needles move when you rotate the knobs.
    Joe

    2014 LSV
    2010 Outback V - Sold

  3. #3
    Join Date
    Jun 2007
    Location
    Vancouver, WA
    Posts
    4,037

    Default

    Supposedly for calibrating when you're running the slalom course. I toyed with setting mine and then super glueing it in place since it always seemed off every time we'd launch. But when PP replaced a speedo I figured I'd just leave it alone.
    Old enough to know better, young enough to do it anyway.

    2001 MobiusV

  4. #4
    Join Date
    Mar 2010
    Location
    Irondequoit Bay, NY
    Posts
    1,298

    Default

    all mine do is just sit there and spin..could this be why my speedos dont work?
    2004 Outback Blue/white w/5.7 indmar 350, Direct Drive
    Rockford fasgate cabins
    Rockford fasgate 500w amp (cabin) and a kenwood HU (kmr700u)
    Exile XM7's
    Exile Harpoon
    Exile ZLD
    Polk 10in sub (2)
    Polk P330 amp (subs)

  5. #5
    Join Date
    Mar 2010
    Location
    Irondequoit Bay, NY
    Posts
    1,298

    Default

    bump 10char
    2004 Outback Blue/white w/5.7 indmar 350, Direct Drive
    Rockford fasgate cabins
    Rockford fasgate 500w amp (cabin) and a kenwood HU (kmr700u)
    Exile XM7's
    Exile Harpoon
    Exile ZLD
    Polk 10in sub (2)
    Polk P330 amp (subs)

  6. #6
    Join Date
    Jun 2007
    Location
    Vancouver, WA
    Posts
    4,037

    Default



    Fixed.
    Old enough to know better, young enough to do it anyway.

    2001 MobiusV

  7. #7
    Join Date
    Mar 2010
    Location
    Irondequoit Bay, NY
    Posts
    1,298

    Default

    lol thats not in the budget right now
    2004 Outback Blue/white w/5.7 indmar 350, Direct Drive
    Rockford fasgate cabins
    Rockford fasgate 500w amp (cabin) and a kenwood HU (kmr700u)
    Exile XM7's
    Exile Harpoon
    Exile ZLD
    Polk 10in sub (2)
    Polk P330 amp (subs)

  8. #8
    Join Date
    Feb 2013
    Location
    San Clemente, CA
    Posts
    43

    Default

    If it's an Airguide these guys can convert it to a GPS Speedo for $226 + shipping.
    http://www.nauticlaugic.com/airglide.html

  9. #9
    Join Date
    Feb 2013
    Location
    San Clemente, CA
    Posts
    43

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