Sea-Doo RX: No beep when lanyard attached, won't start - Page 2

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  1. #11
    Tech Guru Is My Home Away From Home Watercraft Magic's Avatar
    Join Date
    Feb 2004
    Glendora, California

    Re: Sea-Doo RX: No beep when lanyard attached, won't start

    I would try reprogramming the lanyard ( or a new lanyard ) into the mpem if I knew all of my fuses, grounds and connections were good and I had a new battery installed. I am with WFO on this as I too have needed to reprogram lanyards to mpem's to get them working correctly again.
    email Chris at Watercraft Magic

  2. #12
    Moderator Moderator
    Kawi-Guy's Avatar
    Join Date
    Jul 2002
    Naples, FL

    Re: Sea-Doo RX: No beep when lanyard attached, won't start

    Thanks Don,
    this is exactly what happened to me today.
    Once I found the second wire and connected it, everything powered up and worked.

    Quote Originally Posted by don37725 View Post
    The MPEM does not lose the key/lanyard memory, no matter how long there is no battery.

    The negative battery post on many models has 2 wires going to it. The fat neg battery cable and a 2nd smaller black wire running from your rear electric box to battery ground. If the 2nd black wire is not hooked up you will get the problems you are having. Maybe you missed the 2nd wire when changing batteries?
    2008 Sea Doo Speedster
    2002 Sea Doo 4Tec Limited
    2009 Ulra LX ( Sold )
    2014 Ultra LX ( Sold )
    2007 Ultra250x ( Sold )
    2002 STX-12F ( Sold )

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