Auto Trim Tab Issue?

Discussion in 'Bennett Trim Tabs Vendor Forum' started by MikeWood, Aug 11, 2017.

  1. MikeWood

    MikeWood Member

    107
    Jan 19, 2012
    Seneca Creek, Baltimore
    2008 270 Amberjack
    6.2 MPI & Bravo III
    All, I installed the auto trim tab system a couple years ago. Most of the time over the past couple years it seemed to work fairly well, but maybe not as perfect as I would have liked. This year its giving me a little trouble. I'm not sure if this is me, or if there's something else wrong. But when I turn the system on, it wants to pull the boat to the right. I can turn it off, manually adjust the tab so that I'm running perfect and then as soon as I turn them back on, the boat leans to starboard. I've tried resetting the zero point a couple times and tried different trim levels of the outdrive as well, but I can't seem to get it working correctly. Any thoughts on what might be causing this, or is it user error and I just need to keep working on it?
    Thanks
     
  2. Tabman

    Tabman Member

    638
    Jan 11, 2007
    The Tab Cave
    boatless
    boatless
    Mike, Check the connections for the four color wiring harness that runs from the control box to the relay by the pump and make sure they are clean.

    Also are the lights on the keypad indicate that you are successfully resetting the zero point?

    Tom McGow
    Bennett Marine
     
  3. MikeWood

    MikeWood Member

    107
    Jan 19, 2012
    Seneca Creek, Baltimore
    2008 270 Amberjack
    6.2 MPI & Bravo III
    Thanks Tom, I'll check those wires tomorrow and report back. The lights, the blue one as I recall, does light up when I'm setting the zero point.
     

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