Trailer Light Wiring Colours Nz

By | August 3, 2022



When wiring a trailer, there are many different colours of wires that have to be positioned correctly in order to achieve a successful connection. In New Zealand, the standard colour code for wiring the trailer lights is red for the left turn signal, yellow for the right turn signal, white for the ground, brown for the reverse lights, and black for the tail lights. Knowing these colours and their positions can make the wiring process much simpler and save time.

Trailer light wiring in New Zealand involves both the trailer and the towing vehicle. On the trailer, three connectors are needed; one for the brake lights, one for the turn signals, and one for the running lights. The plugs should be connected to the appropriate colours corresponding to the trailer wiring diagram. It is important to ensure that the pins match the wiring diagram, as using the wrong type of pin may cause damage to the wiring or the lighting system.

To successfully connect the trailer wiring to the towing vehicle, the wiring harness needs to be connected to the trailer hitch. This includes the 12-volt power loop, four-prong connector, and a brake control extension wire—all of which should match the colours in the trailer wiring diagram. The power loop should be connected to the 12-volt positive terminal on the towing vehicle, and the brake control cable should be connected to the brake light switch. Once all the wiring is connected, the trailer lights should function properly.

It is important to remember that trailer light wiring is a complex task and should only be done by a qualified professional. This will help to ensure that the trailer lights are wired correctly and operate without any problems. With the right approach, trailer light wiring can be easily done and can also help to make sure that the safety of those driving with trailers is maintained at all times.


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