I have a 1972 Starcraft 18' super sport v outboard. I can hear the bilge pump run but it does not pump. I had never tried it before other than to hear it run. I thought I would try taking it out to make sure nnothing is plugged. Does anyone know how this is mounted. I can feel it but not see it. I may stick the digital camera in there to see if that shows me anything. Any suggestions on how to remove or why it may not be pumping?