I WAT TO UPGRADE THE ELECTRONICS ON MY 2000 XB 2003 CAUSE IS STILL HAS THE ORGINAL ELECTRONICS IN IT. BUT I AM JUST CURIOUS WHERE COULD THE TRANSDUCER BE PUT THAT THE SIDE IMAGING AND DOWN SCANNING WOULD BE ABLE TO READ. I HAVE SEEN SEVERAL POST ABOUT THE TRANSDUCER TRAY IN THE BOAT. WHERE IS IT. THANKS FOR THE HELP