Gently pull the cable through until you have around 200mm free cable. Below is the generic schematic of how the wiring goes.

Wiring Configuration For 7 Way Vehicle And Trailer Connectors
Trailer wiring diagram nz. Allow another 600mm extra at the coupling end of the drawbar for wiring into your plug. As the name implies they use four wires to carry out the vital lighting functions. Typical trailer wiring diagram to nz standard 7 pin plug round 7 pin socket round 7 pin plug flat 7 pin socket flat 5 4 3 2 1 6 7 5 4 3 2 1 6 7. The trailer wiring diagram shows this wire going to all the lights and brakes. Posted on april 23rd 2010 by admin. Pins 2 and 5 are not used on our standard range of trailers.
4 way trailer connectors are. All trailers must be fitted with adr compliant lights. Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. Also it must connect with things if included that use the aux power and back up lights too. The four wires control the turn signals brake lights and taillights or running lights. 03 308 9918.
Typical trailer wiring diagram. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white. Rear tail lights must be fitted at the outer extremities of the trailer. 4 pin trailer wiring diagram. The diagram is the new zealand standard for the 7 pin flat trailer plug used on prescott trailers. They also provide a wire for a ground connection.
If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle. To connect the electric system of your trailer to the vehicle you will be using special connector. Trailer wiring diagrams 4 way systems. Typical trailer wiring. Trailer wiring diagrams trailer wiring connectors. Cm trailer equipment are a leading distributor of high quality trailer parts and components to the light trailer building industry in new zealand.
Above we have describes the main types of trailer wiring diagrams. Trailer wiring prescott trailers. Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. 4 way flat molded connectors allow basic hookup for three lighting functions. Some trailer builders just connect this wire to the frame then connect the ground from all the other lights and accessories to the frame as well. Tape the trailer 5 core cable seven core if you are fitting electric brakes to the end of the pull wire and pull from the spring hanger end until the cable comes through.
You can be assured that we have the right parts to suit your requirements phone. Marker or forward facing lights are required. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes.