WANTED!!! rodboxes

yea it will any thing that draws electricity will hurt it because i was told by my machinic that one more electircal thing addid to the boat and it would short out i wanted to add two more speakers to the stereo i wanted to put on a spot light i wanted radar but i cant do that now i might ptu a new electrical system in when i redo the dash but well see how the budget is for now. ;D ;D ;D