A wiring diagram is a simplified conventional photographic representation of an electrical circuit. Have a helper stand back to see if the running lights stoplights and blinkers are working properly.

Boat Building Standards Basic Electricity Wiring Your Boat
Wiring lights on a boat. Hook up your trailer and connect the trailer light harness. Repeat the procedure for the stern light. If youre planning a circuit with 6 awg wire size it can safely carry 80 amps outside the engine room but only 464 amps in the hotter engine room environment. If all the lights appear dim or you have no lights at all check the trailer light harness at the tow vehicle. This way even if your battery switch is off if your boat starts filling with water the pump will still kick on. Its pretty standard in boat wiring to bypass the main battery switch for one thing.
Shop for boat lights at bass pro shops. If youre running wiring through your boats engine room abyc standards assume the temperature is 122f 50c. The boats bilge pump float switch. Wiring your boats navigation lights doesnt need to be a wiring nightmare. Find boat lighting for navigation docking lights led light strips bow stern lights wiring boat lighting accessories. However you need to be aware of how to insulate and protect your electrical wires and connections before you begin.
Check your vehicles plug configuration. Variety of pontoon boat wiring schematic. We have included a video for wiring a jon boat and several electrical wiring diagrams as well as links to some excellent additional resources these will assist you. It reveals the parts of the circuit as simplified shapes as well as the power and signal links between the devices. Wiring your jon boat is as simple as following a wiring diagram. Id rather have a dead battery than a swamped boat.
Two types of a trailer wiring tester. Neither the bow nor stern lights can be obscured by any part of the boat and they should be as far forward for the bow light and as a far aft for the stern. Drill mounting and wiring holes for the bow light unit using the template provided with the unit to mark the holes on the hull of the boat. Marine safety duplex cable combines the hot power wire and the ground wire in a single cable allowing you to make the run from battery to all the running lights without a cumbersome return loop of wire to the battery.