Fantastic Types Of Trailer Connections

At the moment neiter tow vehicles nor trailers are equipped with round 4 pin connectors from the factory.

Types of trailer connections. Because of interchangeability problems that may arise it is recommended that pin five blue wire in seven pin connectors be used only for service brakes. As a rule you can find these connectors on the older trailers and older vehicles built in the u s. Four way round connectors are the most common type of trailer connectors.

Four pin connectors also called four way connectors allow for the most basic functions in a trailer such as running lights turn signals and brake lights. 4 way round trailer connectors. These connectors can come in several different configurations including flat and round connectors.

See our selection of trailer end wiring connectors while taking the following into consideration. Plugs and terminals are exposed to the elements and. Here are the various types of trailer connectors.

So if you turn the indicator on in your car the first pin connects the signal in the car to the trailer indicator and makes the trailer indicator work. Every connector has one pin that s a ground so a four pin connector controls only three things a five pin connector only four things and so on. 7 pin round blade connector often used in caravans rvs etc.

There are two different types of 7 way connectors one with flat pins blades and one with round pins. One pin is for each function while another pin functions as a ground. Note that this type of 4 pin connector is less common that 4 pin flat connector.

4 way connectors allow the basic hookup of the three lighting functions running lights turn signals and brake lights and one pin is provided for the ground wire. If auxiliary circuits are required a twelve pin connector is preferable. 4 pin trailer wiring diagram.