How to install a simple On-Off Battery switch on a small boat w/live bildge

This is a install of a On/Off Battery switch with a boat that has a bildge pump. When installing a battery switch, the bildge pump always needs to be live especially if the boat is kept tied up at a marina or a personal dock. This install can work with a 2 wire bildge pump or a three wire bildge pump. A three wireset-up usually means one of the wires goes to a bildge pump switch on the dash while the other goes to the battery (the live wire or connection). The bildge switch on the dash is usually a on/off switch designed to over ride the live wire connection to turn on the bildge pump.
I have set this up that when the battery switch is off, the pump will kick on should the bidge area fill with water. The dash switch also have the ability to turn the pump on when the battery switch is in the ON position only. The battery switch is to help prolong the battery life while tied up on the dock for long periods because of the power draw from the factory installed radio.
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