Cobalt Boats Forum

The Airmar transducer is located under the engine on the hull. Just twist the jar-like top off and you can top it off with the pink RV antifreeze as well.

I have the Optima BLUETOP® D34M. It is a dual purpose battery. It is designed to work well in a Marine enviornment with all the bouncing around. I have had it for several years now. It has never let me down even after playing the stero for hours at the sand bar. The only maintenance I do is take it ...