Installing an AC - what is this plug?

Discussion in 'Electrical Stuff' started by Erick, Oct 26, 2021.

  1. Erick

    Erick New Member

    7
    Sep 29, 2021
    2003 Sundancer 240
    5.0 Mercruiser
    Found this triangle plug behind the false wall in the mid berth, anyone know what it is for? Maybe pre wired for AC? I do have the AC toggle switch. 2003 240DA
     

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  2. kvduff

    kvduff Well-Known Member

    602
    Jun 22, 2011
    Long Island N.Y.
    1998 450 Sundancer
    Caterpillar 3126 -420hp
    that black/yellow or brown yellow wire has a numbered tag on it. Read the number and then use the wiring schematic to trace that wire.
     
  3. ttmott

    ttmott PhD in OCD TECHNICAL Contributor GOLD Sponsor

    Apr 3, 2012
    Space Coast Florida
    2006 52 Sedan Bridge
    Cummins QSM11
    That looks to be a generator remote start/monitor connector. The Blk/Yel wire also corresponds to the generator wiring (instrument negative return)....
    If your boat doesn't have a generator then probably the pre-wiring.
     
    Phil S and Cocktail Time like this.

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