The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light. Same concept as in the top diagram in the thread that was linked by don.

Perko Navigation Light Wiring Diagram Wiring Diagram
Boat light switch wiring diagram. In this extremely common configuration a single switch is. Or these terminals can be ignored for non backlit switch banks. Multiple light wiring diagram. 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. This way even if your battery switch is off if your boat starts filling with water the pump will still kick on. When wiring this switch you can choose if youd like to illuminate it because of the independent lamp attached to terminals 8 and 7.
I am planning on buying the guest dual boat battery switch plus the wiring for my application. The positive side for all lights goes through the switch. Its pretty standard in boat wiring to bypass the main battery switch for one thing. Need a very simple wiring diagram for navagation lights. 14 steps to wiring your boat. Note the large red and black wires in both pictures.
Id rather have a dead battery than a swamped boat. Example of a draft wiring diagram for a simple boat. 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. When you install basic boat wiring the distance from the power supply to the component and back must be. The boats bilge pump float switch. You run the negative leads from all the lights to the battery negative or the negative buss under the console.
This diagram illustrates wiring for one switch to control 2 or more lights. The source is at sw1 and 2 wire cable runs from there to the fixtures.