What do you need to know about trailer wiring connectors?
While some vehicles may not be equipped with a standard trailer wiring connector, they may have a special socket specifically intended for installing wiring, provided by the vehicle manufacturer. A custom wiring connector uses a single plug to plug into this factory socket and provide a standard trailer wiring connector.
How do you plug in a trailer cord?
Slide the plug housing up the cord toward the terminal assembly you just wired together. Important: Align the slot in cover with the groove in the plug and tighten to set screw to attach the two parts. It will likely only fit together one way. This will ensure all wires in the cord connect to the correct terminals in the outlet.
What are the Air Lines and electrical lines on a trailer?
The red line is the air line for the trailer’s emergency brake. The green line is the electrical line. The blue line is the air line for the trailer’s service brake. Connect these lines to the corresponding couplers and socket on the trailer before moving the trailer. We recommend starting with the blue line since it is the farthest away.
What kind of plugs are used in a gooseneck trailer?
The SAE J2863 7-way RV blade format is typically used on gooseneck trailers, utility trailers, cargo trailers and equipment trailers. Trailers are equipped with different plug types based on their electrical components. The chart below provides examples of common trailers and the types of plugs they typically use.
While some vehicles may not be equipped with a standard trailer wiring connector, they may have a special socket specifically intended for installing wiring, provided by the vehicle manufacturer. A custom wiring connector uses a single plug to plug into this factory socket and provide a standard trailer wiring connector.
What kind of wiring is used in a gooseneck trailer?
6-Way trailer connectors are often used on gooseneck trailers, but can be used for other types such as utility, boat trailers and 5th wheels. 6 way connectors include the basic connection of running lights, brake lights, turn signals and a ground wire.
Where can I find a 7 way trailer connector?
7-Way trailer connectors are found on most recreational vehicles and are used on larger gooseneck, 5th wheel, boat and utility trailers. They supply power to the taillights, turn signals, brake lights, trailer brakes, reverse lights, auxiliary power and include a ground connection.
Where does the power come from for a trailer light?
A custom wiring harness has multiple plugs that are used to ‘T’ into the vehicle’s taillight assembly, drawing power directly from the taillights or from a direct battery connection and providing a standard trailer light wiring connector.
