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A number of standards prevail in
This connector is based on both SAE J560 and ISO 1185 and is providing either 12V, 7 x 40A or 24V, 7 x 20A. The voltage varies from vehicle to vehicle.
These connectors are based on ISO 1724 in 5-pin and 7-pin versions, but with some difference in the wiring.
This contact has chosen to use one of the connections of the ISO 1724 is used for position light to 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. Pin 2 (54G) is in the Australian wiring standard the reversing light, which is a minor problem.
This connector is replaced by the 7-pin (AS 2513), but can be found on older vehicles. Note that pins 1 and 4 missing. Pin placement is identical to the 7-pin ISO 1724 with the absence of these pins. 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.
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). Please see reference (VSB1 section 14) for front image. Reference Narva wiring diagrams also have the diagrams cable entry view. If you want the front view images in colour see
Some trailer manufacturers will wire non-standard features through non-standard pins. Auxiliary power, breakaway sense or hydraulic brake pump should never be wired to pin 2, even if the trailer does not feature reverse lights.
A number of standards prevail in Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
for trailer connector
A trailer connector is a multi-pole electrical connector between a towing vehicle such as a car or truck and a trailer. It is intended primarily to supply automotive lighting on the trailer, but also provide management and supply to other consu ...
s, the electrical connectors between vehicles and the trailers they tow that provide a means of control for the trailers.
The Australian market uses its own version of especially the European contacts, but also completely own contacts.
The only connector used on the Australian market that is fully ISO standard conformant is the 7-pin ABS / EBS plug.
Since Australia has vehicles from both the North American market and the European market there is a mixture of 12V and 24V.
7-pin trailer connector (AS 4735) for heavy duty vehicles
This connector is based on both SAE J560 and ISO 1185 and is providing either 12V, 7 x 40A or 24V, 7 x 20A. The voltage varies from vehicle to vehicle.
Round trailer connectors Type 1
These connectors are based on ISO 1724 in 5-pin and 7-pin versions, but with some difference in the wiring.
Round 7-pin trailer connector Type 1 (AS 2513)
This contact has chosen to use one of the connections of the ISO 1724 is used for position light to 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. Pin 2 (54G) is in the Australian wiring standard the reversing light, which is a minor problem.
Round 5-pin trailer connector Type 1
This connector is replaced by the 7-pin (AS 2513), but can be found on older vehicles. Note that pins 1 and 4 missing. Pin placement is identical to the 7-pin ISO 1724 with the absence of these pins. 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.
Round trailer socket type 2
Round 7 pin trailer connector type 2
Round 6-pin trailer connector type 2
Rectangular trailer connectors Type 3
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). Please see reference (VSB1 section 14) for front image. Reference Narva wiring diagrams also have the diagrams cable entry view. If you want the front view images in colour see
Some trailer manufacturers will wire non-standard features through non-standard pins. Auxiliary power, breakaway sense or hydraulic brake pump should never be wired to pin 2, even if the trailer does not feature reverse lights.
See also
*Trailer connector
A trailer connector is a multi-pole electrical connector between a towing vehicle such as a car or truck and a trailer. It is intended primarily to supply automotive lighting on the trailer, but also provide management and supply to other consu ...
* Trailer connectors in Europe A number of standards prevail in Europe for trailer connectors, the electrical connectors between vehicles and the trailers they tow that provide a means of control for the trailers. 7 and 13-pin connectors
The 13-pin (ISO 11446) version being ...
* ISO standards for trailer connectors 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. These are listed below, with notes on significant deviations from them that ca ...
* Trailer connectors in North America
A number of standards prevail in North America, or parts of it, for trailer connectors, the electrical connectors between vehicles and the trailers they tow that provide a means of control for the trailers.
Introduction
In North American, but ...
* Trailer connectors in military organizations
References
{{DEFAULTSORT:Trailer Connector Australia Automotive electrics Trailers DC power connectors