Im guessn its the switch for your anchor light. Thats the white one in the rear. Nav would be both the front bow light and the rear white anchor light. I hope that sheds some light on the subject.. Bad ... sorry...
Im guessn its the switch for your anchor light. Thats the white one in the rear. Nav would be both the front bow light and the rear white anchor light. I hope that sheds some light on the subject.. Bad ... sorry...