How to Connect Trailer Lights

Nov 18th

Trailer lights – Trailer behind any vehicle must have lights that work for safety – it’s the law. Older trailers may have problems in the wiring, or the lights can be broken, which could mean that some or all of the lights do not work. The rewiring these lights and connecting to the towing vehicle is a task you can do yourself, and which only need a few parts and simple hand tools.


Watch the trailer lights connector on the tow vehicle. Defines if a connector four legs (three are protected and exposed), five legs or more. Purchase connector match trailer towing vehicle, unless this vehicle has a connector four legs. This is the connector that comes with the games of trailer lights, so you will not need to buy another.

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Remove all old trailer lights and install new ones. Bolts and nuts are included in the play of light. New wiring connects the frame rail on the side of the trailer. Leave about 1.2 m by the end of the trailer truck, first separating the white wire harness cables, and do not connect the trailer. Connect the brown wire from the rear of the trailer to both lights with a seamless splice connector.