Avensis T250 trailer socket

[Vaitkus]

Hello, can someone help me with trailer socket, which wire represents what? 

[Parts-King]

[Vaitkus]

13 minutes ago, Parts-King said:

Can you please help me indentifie multicolor cables to one color? Cuz idk I have two black with different line color, and two red Lines idk Sorry for bad English, but I hope you can understand me🙂

[Parts-King]

Sorry I don't know why that is, you need to check manually where those wires are going

[Stivino]

Unless you have the wiring diagram for your car, you are going to have to meter the wires on your car and connect to the correct colour on the 12N socket.