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  1. #1
    Member
    Join Date
    Jan 2006
    Location
    gravois mills
    Posts
    160

    2003 225 optimax issue.

    Hello everyone. 2003 225 optimax. Running great then died all of a sudden. Turn key off then when I turned the key back on I get no beep from the smartcraft and gauge is not reading temperature, hours or volts. Gauge comes on but ---- for readings. After approximately 15-20 seconds it has a continuous alarm and what looks like the fuel pumps run. Motor cranks but doesn't start. Seems like an electrical connection was lost between motor or ecu? Anyone seen this? I have searched and not found a similar problem. Thanks for any insight.

  2. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    15,632
    #2
    ckeck all connections and fuses start at batt, please use the 3.0L forum 2 more down for yo engine include ser number please
    .................................................. ...the scariest thing in life is the unknown ...................................

  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
    Posts
    98,378
    #3
    Moving to the 3L Forum for you.

    If you would, please take a moment to review the Announcements at the top of the Forum, and be sure to provide the Required Info (serial number) when posting. Thanks!


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 48 years (learn something new every day).
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  4. Member
    Join Date
    Mar 2007
    Location
    Leavenworth, KS
    Posts
    576
    #4
    Did you check the kill switch? No beep generally means it has been activated.
    Old age and treachery will overcome youth and skill