SOLVED after seven years: Outdrive trim works at idle, but not when on plane

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  • Michael TMichael T Posts: 7,241 ✭✭✭✭✭
    IMO there is no problem with trim rams lifting a boat underway - I have done that, what 10,000 times? There is a lot give to water until about 50 mph and even then trim tabs work fine. Good news @LaRea
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  • reneechris14reneechris14 Posts: 3,134 ✭✭✭✭✭
    you have a man date!!!
    2005 Rinker FV342  Pawcatuck river,Ct
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  • davidbrooksdavidbrooks Posts: 1,431 ✭✭✭✭
    Did they give you info on how to verify if it was the rpm limiter or how to adjust it? Just still dont get how it followed the pump to the new motor.
    It's 5 O'Clock Somewhere!
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  • LaReaLaRea Posts: 8,069 mod
    edited September 2020
    YYZRC said:
    Not sure if you feel like a swim, but I've adjusted mine in water very easily.  ...
    @YYZRC thanks ... I tried and failed, but I think I know what to try next. 

    On the misbehaving port drive, VV reads 54% when trimmed down, so I need to adjust it to 0% like the starboard drive.  If I rotate the puck clockwise, the reading will go up from 54% up to 90%, so I need to rotate it counter-clockwise.  But I can't because it's already at the end of its travel.  

    I think this means the puck is not correctly aligned to the drive.  The puck has a star-shaped gear that slides into splines on the drive.  I need to pull the puck out from the splines, rotate it clockwise, and push it back in.  I'll try this tomorrow morning.  

    BTW for digital senders, there's a 3-wire puck on the port side and a blank cap on the starboard side.

    Amazoncom Mercury OEM Trim Sender Sensor Assembly 863187A1 Smartcraft Automotive

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  • aero3113aero3113 Posts: 9,811 ✭✭✭✭✭
    @LaRea , that’s what you need to do. 
    2008 330EC
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  • reneechris14reneechris14 Posts: 3,134 ✭✭✭✭✭
    edited September 2020
    Yup X2 I had to do this to get my gauge to read correct. Kinda of funny this took 7 years lol, well if this is the fix.
    2005 Rinker FV342  Pawcatuck river,Ct
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  • LaReaLaRea Posts: 8,069 mod
    The digital senders were installed in 2016, so this particular problem couldn't have existed before then.  But I never suspected the trim sender because it works fine at idle.  Man, I hope this is the solution.
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  • YYZRCYYZRC Posts: 5,443 ✭✭✭✭✭
    You’ve got this @LaRea !!
    2006 390 EC
    2008 350 EC
    Georgian Bay
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  • IanIan Posts: 3,062 ✭✭✭✭✭
    The installation notes for the analog ones indicate the process to align index marks with a full down position so sounds like this wasn’t done right when installed.

    Regards,

    Ian

    The Third “B”

    Ravena Coeymans Yacht Club

    https://www.rcyachtclub.com/

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  • Lake_BumLake_Bum Posts: 1,141 ✭✭✭✭
    Sounds like you're close to finding the problem!  A celebratory cruise will be awesome for you. 
    2000 Captiva 232 
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  • LaReaLaRea Posts: 8,069 mod
    Well cut my legs off and call me Shorty.  Problem solved.  
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  • aero3113aero3113 Posts: 9,811 ✭✭✭✭✭
    Nice!!
    2008 330EC
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  • LaReaLaRea Posts: 8,069 mod
    When I paid my guy to install the senders rather than doing it myself, I missed out on a chance to learn about them.  Maybe I'd have understood this problem sooner.  
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  • SpyderwebSpyderweb Posts: 959 ✭✭✭
    That is great news!  I love a story with a happy ending.
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