3 Pin Trailer Wiring Diagram. It can transfer electricity better so the connector is recommended for higher level electric in the auto. Australian trailer plug and socket wiring diagrams.
Brown pin for unwanted markers tail lights and running lights. Tail running side marker lights. Could be a option.
This discovery 3 trailer wiring diagram version is more suitable for sophisticated trailers and rvs.
The 12n towing electrics also known as single 7 pin electrics are needed to run the lights on your trailer caravan or other towable equipment. 3 pin switch wiring. White pin to your ground. White pin to your ground.