Hope this helps kevin. A quick look at how to wire a 3 way switch commonly used inside vehicles project boxes and so on.

3 And 4 Way Switches Made Easy Doityourself Com
How to wire a three way boat light switch. You will be replacing it with a new 3 way light switch. Its pretty standard in boat wiring to bypass the main battery switch for one thing. Im planning to use this switch in an upcoming video and figured id shoot a quick video showing. The wiring diagram to the right will show how to wire and power this 12v 20amp on off on 3 way carling contura rocker switch. Bottom row left redgreen bow light. Bottom row right short jumper wire that is connected to the top row right terminal.
The following links will assist you with wiring your 3 way switches. Thanks for your electrical question ken. This is the existing white neutral wire coming into the box and the new white neutral wire from the 3 wire romex youre going to use to connect the other 3 way switch you will install in a minute. This way even if your battery switch is off if your boat starts filling with water the pump will still kick on. Wire nut the neutral white wires together. If the switch has a seventh terminal on the top right connect a ground wire to this.
Or these terminals can be ignored for non backlit switch banks. 3 way switch diagram. Hook the curled end of the wire under the screw then tighten down the screw to hold the wire firmly in place. Attach the power supply wire to the circuit breaker panel of your boat. A properly functioning 3 way switch would be an added bonus. Attach one wire of the in line fuse holder to the middle post of the toggle switch.
Connect the common grounding bus and the shorter prong on the toggle switch with green wire. This 3 way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light switch. Id rather have a dead battery than a swamped boat. When wiring this switch you can choose if youd like to illuminate it because of the independent lamp attached to terminals 8 and 7. Connect the wire from the lights to the remaining wire of the in line fuse holder. Ken a homeowner from toronto ontario.
The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. In this extremely common configuration a single switch is. Attach the black power cable from the wall to the general screw black in the three way light switch. This electrical question came from. It will activate the lights on the switch itself. In this video wiring guide we show how to wire a 7 terminal vjd1 d66b rocker switch to operate a boats navigation and anchor lights.
I just need to get the fixture working again. The boats bilge pump float switch. In this diagram the incoming hot wire attaches to the first switchs common dark colored terminal.