![]() Auxiliary power, breakaway sense or hydraulic brake pump should never be wired to pin 2, even if the trailer does not feature reverse lights.While there are many different types of trailers and trailer connectors, trailer wiring colours in Australia have a set of standards that are followed. Some trailer manufacturers will wire non-standard features through non-standard pins. If you want the front view images in colour see Reference Narva wiring diagrams also have the diagrams cable entry view. ![]() Please see reference (VSB1 section 14) for front image. ![]() The image of the 7 and 12 pin flat plugs are from the cable entry view (and possibly the images of the round connectors too). Rectangular trailer connectors Type 3 Rectangular trailer connectors Type 3 # Tail lamps, clearance lamps/outline marker lamps and registration plate lamp right side Round 6-pin trailer connector type 2 Round 6-pin trailer connector type 2 # Round trailer socket type 2 AUS Round trailer socket type 2 Round 7 pin trailer connector type 2 Round 7 pin trailer connector type 2 # Tail lamps, clearance lamps/outline marker lamps and registration plate lamp 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. Pin placement is identical to the 7-pin ISO 1724 with the absence of these pins. This 5-pin connector has been superseded by the 7-pin (AS 2513), but can be found on older vehicles. Round 5-pin trailer connector Type 1 Round 5-pin trailer connector Type 1 ![]() Tail lamps, clearance lamps/outline marker lamps and registration plate lamp left side Reversing lamps, control current to block surge brakes when reversing. Pin 2 (54G) is in the Australian wiring standard the reversing light, which is a minor problem. In this pinout for an ISO 1724 connector, the position light pin is used for electric brakes (Pin 5, 58R), which means that if you connect a trailer with electric brakes to a towing vehicle wired according to ISO 1724 and turn on the position lights the trailer will be braking. Round 7-pin trailer connector Type 1 (AS 2513) Round 7-pin trailer connector Type 1, Australian Standard 2513 These connectors are based on ISO 1724 in 5-pin and 7-pin versions, but with some difference in the wiring. Round trailer connectors Type 1 Round trailer connectors Type 1 Reversing lamps or +12V via ignition lock The voltage varies from vehicle to vehicle.Ĭlearance lamps/Outline marker lamps, Side marker lamps, identification lamps This connector is based on both SAE J560 and ISO 1185 and is providing either 12V, 7 x 40A or 24V, 7 x 20A. Since Australia has vehicles from both the North American market and the European market there is a mixture of 12V and 24V.ħ-pin trailer connector (AS 4735) for heavy duty vehicles 7-pin trailer connector (AS 4735) for heavy duty vehicles (Towing vehicle side) The only connector used on the Australian market that is fully ISO standard conformant is the 7-pin ABS / EBS plug. The Australian market generally uses its own version of the European connectors, as well as its uniquely own contacts. A number of standards prevail in Australia for trailer connectors, the electrical connectors between vehicles and the trailers they tow that provide a means of control trailer lamps, and in one case, trailer brakes, and also sometimes, manufacturer-specific non-standard functions.
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