Update.
The boat is still available for $30K. Keep in mind how far away you are when you make that decision.
Mike can vouch for the condition as he came out and went over it Sunday.
I don't think the 310 is different from my 340.
I just installed those lights and it was an easy swap. As long as you have your hot and ground identified, (only 2 wires!) they should work fine. Did your old lights work?
One of your pics has 4 wires hanging. WTF is that?? Only 2 go to the light.
Mine was documented when I bought it and continues to be documented under a new name and hailing port. No sales tax or registration fees as the state is not involved. I do pay a "water ways" tax to the city where my slip is located which is $xx per foot.
"A documented vessel cannot be titled in...