I have always wanted eveything to work in my trucks, boats and ATVs, but the easiest and never-fail thing to do is to use a plug. I have used a plug in my previous Sabre and my current Cougar.Jim EbarbMany, LA (Toledo Bend Lake)2004 Cougar/ 225 OptimaxHumminbird Helix 12 Chirp SI on BalzOut Mount at bowLowrance HDS 7 at bowHumminbird Helix 12 Mega SI on Ram Mount at ConsoleLowrance HDS 8 in dash at console