4 Wire Boat Trailer Wiring Diagram

Standard color code for wiring simple 4 wire trailer lighting question.

4 wire boat trailer wiring diagram. The red and blue wire can be used for brake control or auxiliary. This works for fresh water but for the salt use crimp connectors with heat shrink collars to connect all of the lights. You must check the trailer manual to see if the wiring is correct but normally the white wire is called the ground wire while the brown wire is used for tail lights. 3 4 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white.

The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. Some vehicles have a 5 wire system and you need to purchase a trailer light converter that adapts the trailer s 4 wire system to the vehicle s wiring system. Many trailer brands use simple pinch wire connectors to cut through the insulation to tie the positive 12 volt pigtail from the running and clearance lights into the main wires. Depending on the size of your trailer and the number of lights you might want to check on the internet for the recommended gauge for your specific trailer.

This guide will be talking 4 wire boat trailer wiring diagram. An extra pin allows using another extra function. Use on a small motorcycle trailer snowmobile trailer or utility trailer. Buy a 4 pin wiring kit with wires at least twenty feet in length so it s long enough for your trailer.

This automobile is designed not only to travel one location to another but also to take heavy loads. Installing the 4 pin trailer wires. I have had to mess with trailer wiring for years once or twice a year anyway and i just cannot keep the color code right ect white ground brn running lights grn right turn yellow left turn. Can also be used as custom wiring on trailers with 3 light wire systems.

Boat trailer wiring diagram 4 pin trailer light wiring trailer wiring harness 4 pin trailer wiring trailer plug 4 pin trailer connector boat web site http. 5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle. 5 wire trailer wiring diagram.