This gives information on wheel and tyre sizes along with Pressures Ply ratings and wheel ofsets. Below is a diagram of a 12N trailer plug with coloured pins as they are wired. It is not possible to get a converter that supplies 'S' Type or full 13pin electrics from a 'N' type socket. By law all passenger vehicles should be fitted with a monitor to tell the driver that the indicators are working correctly this can be done either with a flashing light in the dash or an audible buzzer in the vehicle. I put this here because I had a hard time finding and figuring this out for my trailers. Trailer plugs with spade connectors are not widely available as spare parts.
Some have striping and some colours are just not there. Not so with the male 7 pin flat. When I tried to reword the flat connector to the jet ski trailer I can get everything to work but the brake lights. As a 7 pin plug does not supply Reverse lights this is usually done by using the 13 pin plug. This is ideal for towing a caravan with 7 pin electrics using a new towing vehicle with 13 pin electrics.
There are different types of towbar this guide gives information on these types and the advantages different types have. There are at least 3 different 7 pin round connectors in use in Australia right now. If not an earth return, tape up well and ignore them. This guide gives information on unbraked coupling maintance and fitting. Another easer way for cars 2002 on is to buy a dedicated wiring loom that plugs directly into the vehicles wiring loom.
Bought two narva 7 pin connectors to wire up to the trailer and a bike carrier. From 29th October 2012 all Newly Manufactured O2 Class trailers require a Reverse light. Also sometimes the small 7 pin round is rotated so that yellow is on top. Not sure which is your case — if the indicators are swapped it sounds like the large plug. On the rear of the pins the numbers are marked in the plastic next to each pin. Why did they do that? The sockets are provided with a plug expulsion system in case the plug is incorrectly connected.
. The answer to one regularly asked question is. I think part of it is that the flat connector has the female part the part you need to protect most covered and attached to the vehicle, whereas the 7 pin round connector has the female socket as the plug on the trailer. Plus to top it all off, sometimes the small 7 pin round is rotated so that the yellow pin is at the top! After blowing 3 fuses decided to limp back home to sort it later. Apparently there is another 7 pin round — a large one that is common in Victoria, with a completely different pinout.
I had one vehicle with a 12 pin socket and a trailer with a 7 pin connector and they played happily for years. So every rectangular connector in Australia is compatible! The voltage varies from vehicle to vehicle. There is also a heavy duty 7 pin round, which is different again! Pin 2 54G is in the Australian wiring standard the reversing light, which is a minor problem. This means that you can connect a trailer with a 5-pin connector to a 7-pin socket or the other way around, but since the pins are wired in a different way the result may be far from what was expected. Found the indicators are swapped and shorts out the brake lights. No key other than oversized earth pin on the socket or plug.
All diagrams are as viewed from the Cable Side 12 Pin Flat This is an extension of the 7 pin flat. Since Australia has vehicles from both the North American market and the European market there is a mixture of 12V and 24V. If they were connected to any metal housing they might be an extra earth return — you can check this by checking the resistance between the earth return white and the spare leads. These connectors are rated at 40A continuous duty. I would like your help in this matter! And in my personal experience the flat is more reliable.
Following 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. Queensland prefers the small 7 pin round, and apparently Victorians prefer a large 7 pin round that has a completely different pinout! Please vote for this guide if it has been of use as the more votes it recieves the easier it is to find for other buyers. It might just be me, but I also think it makes more sense to have the socket powered rather than the plug just like household 240v sockets — imagine if they were 240v prongs sticking out of your walls at home that were live. Pin A number of standards prevail in for , the electrical connectors between vehicles and the trailers they tow that provide a means of control for the trailers. Guess what, the image of the round plugs has been rotated about 150 degrees: yellow should point up. The 7 pin flat plug will fit into a 12 pin flat socket and work perfectly.
Thanks for letting me know, and sorry. This gives guide lines on trailer lighting and the lights you need to keep your trailer legal With modern car wiring this helps you chose the correct relay and explains why these are needed. So if you have the choice, go flat! Socket and plug are keyed. When building a trailer there are laws regarding weights and sizes this guide will give the guidelins to build your trailer to. However, I use an adapter for flat to round when my trailer gets loaned out to a car with round socket. The 13 Pin Euro plug has been used on Caravans since 2008.
Fitting a pre wired socket to an older vehicle is easy, the wires can be fitted straight to the vehicles lights normally using scotch locks but on most newer vehicles 2002 on the electrical systems are more complex and require different types of relays which we stock and can supply. If you have a round connector, commiserations. Socket and plug are keyed. I used a small 7 pin round for 10 years, and then after replacing the plug multiple times changed to 7 pin flat for the last 12 years, and I have never had a problem with a flat connector. We stock 4 different converters to help you on your way. Wiring Diagram for a 7 pin 12N trailer plug.