Do you know the colour codes for trailer plugs?
Do you know the colour codes for trailer plugs? Knowing these colour codes can save you the time consuming exercise of testing lights by means of trial and error. Also, an important thing to remember - it is the WHITE wire that is the earth in trailer wiring not the green or black wires. This applies to all types of trailer plugs used in Australia. Where does the white wire go in a trailer? The White Wire is the “Ground” or “Negative” wire connecting to the vehicle battery “minus” side. The trailer wiring diagram shows this wire going to all...