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  1. #1
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    Aug 2008
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    Killen, AL
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    Trying to find ignition key for a MercCruiser engine.

    Key is for a MercCruiser I/O. Key has letter P stamped on it.
    no other markings.

    any dealer who can help?

  2. Member
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    Jun 2013
    Location
    LONGVIEW TEXAS
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    14,036
    #2
    cant help ya one that one may have to replace switch
    .................................................. ...the scariest thing in life is the unknown ...................................

  3. Member
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    Jul 2014
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    west Ia
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    359
    #3
    Any decent locksmith.Might have to take the switch to them,however.

  4. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    Apr 2008
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    Greenville, SC (US)
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    95,217
    #4
    Picture of the key?


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  5. Member
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    Oct 2010
    Location
    Virginia
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    481
    #5
    You are generally cheaper to buy a new key switch. They are inexpensive and are pretty easy to swap out.
    Last edited by thilltony; 09-18-2018 at 04:55 PM.

  6. Member
    Join Date
    Oct 2010
    Location
    Virginia
    Posts
    481
    #6
    How many wires or terminals does your switch have coming out the back?
    Quick search came up with a few different ones, ranging from $18-$25:


    But there is another option, if you have a Mercruiser dealer nearby. Take your boat there, and they may have a master key set. If they do, they can figure out which one it is, and get you a key.

    I hope this helps.
    Last edited by thilltony; 09-18-2018 at 04:56 PM.

  7. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
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    95,217
    #7
    Strongly suggest contacting a MercCruiser Dealer, or one of our BBC Sponsors so that you get good support.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor