This switch allows you to utilize your current wiring harness if your electronics are already on a dedicated wiring system. This switch gives you the ability to switch between 12v power and 16v power with the flip of a switch. This ensures that you will never be left on the water with dead graphs. You will always have the ability to flip the switch over to your 12v cranking battery to power your electronics! 

SPECS: 300 Amp rating