Best Trailer Electrical Connector Types

Light vehicles use a plethora of contacts but among these are two that are most common.

Trailer electrical connector types. The 7 way connector is the most popular trailer connection type found on late model suv s trucks and rv s and comes with everything the others come with along with the availability for backup lights. Mictuning heavy duty 7 way plug inline trailer cord with 7 gang junction box 8 feet. 7 pin round blade connector often used in caravans rvs etc.

4 pin flat connector often used for simpler trailers. Different amp cable is available to suit 12 volt and 24 volt trailer vehicle lighting. 6 pin trailer wiring introduces two new functions a wire for connecting trailer brakes and a wire for 12 volt auxiliary power.

5 way connectors allow the basic hookup of the three lighting functions running lights turn signals and brake lights a pin for ground and also one additional pin is available to provide support for surge brakes or hydraulic brakes. 1 1 13 pin trailer connector iso 11446 1 2 7 pin trailer connector for abs ebs iso 7638 2 1 3 7 pin trailer connector type 12n iso 1724 1 3 1 pin 2 54g 1 3 2 special case for australia. 1 trailer connectors between the trailer and passenger car light truck or heavy trucks with 12v systems.

Opt7 weatherproof 7 way flat blade to 4 way pin adapter w secure tab for trailer tow hitch and. The round pin connectors are very uncommon while flat pins are common and often found on newer suvs and trucks that come from the factory rigged with a trailer hitch. The more pins in the connector the greater the number of functions it can handle.

The most common trailer connectors have four five six or seven pins. There are two different types of 7 way connectors one with flat pins blades and one with round pins. 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.

Single core 2 core 4 core 5 core 7 core 8 core and 12 core electrical cable to aid in all trailer wiring and electrics. Light vehicles common connector types. Four way round connectors are the most common type of trailer connectors.