So I have this brown wire that looks like it was connected to something and no longer is.. I was thinking that maybe it was from the Perfect Pass System that is no longer in the boat.. either way I would like to know if anybody has any idea.. I tried to trace it but found nothing.. I didn't want to open up all of the plastic tubing if I didn't have too... the wire has a blue and black wire with it as well.. those wires go to the sides of the engine.. maybe a sensor or something.. not sure.. here is a picture of it though.. thanks!

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