speakers radio electrical

Adding awake tower speakers to rear towing harness. Does anyone know if bottom mount of harness has a hole in it to allow wire to be passed through it.

The power on my dashboard wouldn't work today when I was getting the boat ready for a trip out. We set the battery to 1 and then I flipped the switch for the dashboard main power and nothing happened. Tried hitting the reset button next to the main switch, nothing. I tried clicking on most of the dashboard switches and…

We looked at putting speakers on the back of the boat but due to the curve of the panels they could not be cut in. Several companies are selling blue tooth speakers that are water proof. I would like to find a way to connect these to the radio. We listen to the radio most of the time versus an ipod. If I could get this to…