What is 12N wiring?
What are 12N and 12S? 12N electrics provide the ‘normal’ legal lighting requirements, via a single 7 pin electrics plug. These include the brake, indicator and fog lights. 12S electrics provide the ‘supplementary’, or advanced, electricals through an additional 7 pin twin electrics plug.
What is the color code for wiring a trailer?
The four colors that make up your 4 wire trailer cable’s color code are brown, green, yellow, and white. Each color in a 4 wire trailer wire has a specific function. Usually, if you screw up a trailer’s wiring, you will end up with a blown fuse.
Does a 7 pin trailer plug have reverse?
The 7 Pin ‘N’ Type ( 12N ) trailer plug is used for supplying all trailer lighting excluding reverse. This is the most popular Plug and socket used on trailers and caravans in the UK and Europe. As a 7 pin plug does not supply Reverse lights this is usually done by using the 13 pin plug.
Will a 7 pin trailer plug fit a 12 pin socket?
The 12 pin socket not only allows you to wire up additional accessories, but it also allow for more versatility when towing. For example, a 7 pin plug (on a caravan) can fit into a 12 pin socket (on a vehicle) but it be done in reverse.
Where does yellow wire go on 7-way plug?
The yellow wire of the 7-way harness part # H20044 that you referenced goes to the center pin of the 7-way which is an aux circuit that is typically used for reverse lights if present on the trailer.
What color wire is the backup light?
Reverse lights on a vehicle must be white in color, and these come standard on all vehicles.
Why do semi trailers not have reverse lights?
Back-up lights are standard on tractors, but about all they do is illuminate a trailer’s underside. Cost is an obvious argument against the idea. Many fleet buyers view trailers as a commodity and want to keep the purchase price as low as possible. So trailer makers can do it.