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Reviving old boat

RacerX10 Member Posts: 2
1990 ish Aqua Patio .. have some mouse eaten wiring at the battery.

There is a 3 wire bundle coming from under the boat (red / gray / black)  I presume the red goes to positive battery terminal, and black goes to the negative battery terminal.

What about the gray one ?

Thanks for any thoughts.


  • Boomer
    Boomer Member Posts: 307 ✭✭✭
    Gray Navigation (running) Lights, Tach. Here are Marine Electrical color codes
  • RacerX10
    RacerX10 Member Posts: 2
    edited July 2018
    Thanks !  Turned out to be "sending unit", which also is on the list you linked me to.  Much appreciated .
  • Oldschool
    Oldschool Member Posts: 1
    We are also trying to keep our 1993 Aqua Patio running.  Did you by chance find any wiring diagram or manual in you searches.  We would be thankful for any leads.  If you have a manual could we pay you for a copy.  We have new battery but no power to anything.  Checked fuses and wires and do not see a problem.