Trailer connector wiring diagram7/23/2023 ![]() In these cases exclude connection for right tail light (58R) and rear fog light (54G) and connect the tail lights only to pin for left tail light (58L). On older trailers there's sometimes a 5-wire setup using a 7-pin connector. The 7-pin connector uses on newer trailers all 7 pins according to the ISO standard. Physical design according to standard ISO 1724. The following supplementary information exists for the connector:ħ-pin ISO 1724 trailer connector type 12N (Towing vehicle side) Reversing lamps, control current to block surge brakes when reversing. Tail lamps, clearance lamps/outline marker lamps and registration plate lamp left side Tail lamps, clearance lamps/outline marker lamps and registration plate lamp right side Physical design of the standard ISO 11446 but also called Jaeger-connector from the company that developed it. The color coding is defined in ISO 4141-3, but the standard color codes are not always followed and may be different for a particular vehicle.ġ3-pin trailer connector ( ISO 11446) Heavy trucks that may have 12V systems are usually older (vintage vehicles) or on non-European markets. Vehicles and trailers with 6V systems can use the 7-pin or a 5-pin connector, but these are rare today. Exceptions for the 7-pin connector may exist where they may be used for 6V and 24V. The connectors are designed for 12V systems. The 13-pin version being phased in is newer, provides more services than the 7-pin, a more positive locking and also better protection against moisture and contamination. In Europe, both 7-pin (ISO 1724) and 13-pin (ISO 11446) are common. Trailer connectors between the trailer and passenger car, light truck or heavy trucks with 12V systems These are listed below, with notes on significant deviations from them that can cause problems. 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.A number of ISO standards cover trailer connectors, the electrical connectors between vehicles and the trailers they tow that provide a means of control for the trailers. 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. PDF version to save or print: CLICK HERE Erde 193 Unbraked Trailer with Hard Top.Meredith & Eyre 2700kg GVW MEF27 10ftx5ft.6" Trailer.Trailer Jockey Wheel Replacement Wheels.Braked Standard Mountings Waterproof Bearings.Braked Standard Mountings Standard Bearings.Meredith & Eyre Commercial Trailer Range.
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