M_Boats: Bilge pump...

I just got a little curveball as I was cleaning up my mess. I found an old piece of tape that apparently went on a switch panel. One of the squares said Bilge Pump. Bilge pump???!!!! I don't know nothing from no bilge pump! Lol...where? ?? Would it be back there in the transom hatch way thing amabob doohickey? Jazz