However, wiring the system is not difficult. Is 7-Way Trailer Wiring Difficult?Ī 7-way trailer wiring is essential since it helps in providing power for lightning. This act will judge if you’ll have a smooth time or not during the whole process. Moreover, you’ll be able to detect any issue, fix and get your trailer running.īut before we drive into the step-by-step guide, we’ll first get to know if the 7-way trailer wiring will give you a hard time. With that in mind, here’s everything you need to know about the wiring process for a 7-pin trailer. A little knowledge here and there can help you out. But the truth is that you don’t need to be an expert to fix it.
While wiring can be a pain in the neck, putting the system together is possible. The most common harness found on trailers also provides three additional pins for a 12V hot lead, reverse lights, and electric brakes. A 7-pin connector facilitates the transfer of power for lighting the trailer. In this case, you’ll need a 7-pin trailer wiring diagram with brakes and battery to complete the process.Īs a rule of thumb, trailer lightening should be connected to the tow vehicle wiring system to turn or indicate signals, prevent shorts, light breaks, and even run lights. Which colour wire goes where in a trailer plug.įollowing the Information below this shows the pin number in the 7 pin plug the colour wire that should connect to the pin as the diagram above and then states the trailer light that the wire should power.Whether your truck or RV uses a 6-way, 5-way, or 4-way harness, trailer lighting must be connected to the wiring system. When assembling a plug always remember to slide any gromets and caps down the cables before you start to attach cables. If you have a damaged plug with spade connectors that needs replacing the spades can be cut off and the wires fastened in to the back of a screw type plug. Trailer plugs with spade connectors are not widely available as spare parts. The pins usually have a small screw to retain the wire on the back.ħ Pin plugs fitted to trailer wiring looms regularly have spade connectors for quick assembly. On the rear of the pins the numbers are marked in the plastic next to each pin.
Wiring Diagram for a 7 pin 12N trailer plug.īelow is a diagram of a 12N trailer plug with coloured pins as they are wired. The 7 pin ‘N’ type (12N) plug will still be used on O1 trailers and many towbar fitters will still offer the 7 pin Socket as the cheapest alternative. Many major manufactures have been fitting reverse lights and 13 pin plugs on O2 trailers for a few months before this date. The 13 Pin Euro plug has been used on Caravans since 2008.įrom ( 29th October 2012) all Newly Manufactured O2 Class trailers require a Reverse light.Īs a 7 pin plug does not supply Reverse lights this is usually done by using the 13 pin plug. Over coming years this plug will probably be replaced slowly by the 13pin Euro plug. To view our range of 7 Pin 12N Plugs, Sockets, Extensions & Convertors: CLICK HERE This is the most popular Plug and socket used on trailers and caravans in the UK and Europe. The 7 Pin ‘N’ Type ( 12N ) trailer plug is used for supplying all trailer lighting excluding reverse.
#7 PIN TRAILER WIRING DIAGRAM PDF#
PDF version to save or print: CLICK HERE
Meredith & Eyre Commercial Trailer Range.
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