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Description of electrical socket contacts for trailers / semi-trailers.

fred77 53994 9
Best answers LABEL_AI_GENERATED

How do I wire a transitional cable between a trailer’s 24V ADR 15-pin plug and a vehicle with 24N and 24S trailer sockets?

Wire only the functions the trailer actually needs: if it has no electronics, connect position lights, indicators, stop, reversing and fog lights [#16578331] The thread says the 24S plug is mainly used for reversing and fog lights, unless an additional 24V supply is needed, and that 24S does not have CAN [#16652179] It also notes that the brake-control line from the 24N plug is a special case and cannot be treated as the same thing as the 15-pin ADR layout [#16652179] A practical solution offered is to use a 15/2x7 cable and a 15-pin plug, then replace or build the socket side with proper wiring [#16652179] Another option mentioned is a connection box with screw terminals and clearly marked pins so wiring errors are easy to correct [#16652179]
AI summary based on the discussion. May contain errors.
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  • #1 16578197
    fred77
    Level 12  
    Posts: 177
    Rate: 23
    I need to make a cable connecting the car and the trailer.

    The trailer has a cable terminated with an ADR 24V 15 pin plug and I can not do anything in it, because it will lose the warranty.

    You need a transitional cable that will allow you to connect the trailer to a car with 24N and 24S sockets.

    The finished one can not be bought because all are terminated with 15 contact plugs, and I need such a terminated socket.

    That's why I have to do it myself. It is the cheapest, anyway.

    I need a wiring diagram or explanations about the individual contacts of the contact socket and sockets 24S and 24N.

    I found a description but something does not work for me.

    http://www.profesjonalnywarsztat.pl/poradnik-...tem/51-gniazda-do-podlaczenia-przyczepki.html

    The description of the 24S and 24N sockets is not the same as the 15-pin socket.

    For example, in the 24N socket there is a brake check, and there is no such description in the 15-pin socket, unless it is a brake lining wear sensor.

    The 24S socket has mass control and a charging cable, and the 15-pin socket has nothing like this.

    Can anyone help and find a more reliable source showing how connections should look or explain what and how everything should work?
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  • #2 16578318
    DiZMar
    Level 43  
    Posts: 32811
    Help: 2895
    Rate: 6679
    Here you've also finished the socket.
  • #3 16578331
    ArturAVS
    Moderator
    Posts: 26466
    Help: 2305
    Rate: 7872
    DiZMar in the link is a plugin. The socket is male.

    What to connect. If the trailer has no electronics, connect what it must be.
    Position, directions, stop, reversing and fog. Although ADR indicates for example a fuel tank.
    Some have power and CAN connected.
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  • #4 16578336
    DiZMar
    Level 43  
    Posts: 32811
    Help: 2895
    Rate: 6679
    arturavs wrote:
    DiZMar in the link is a plugin ...

    The fact is a 15 pin plug men's .
    arturavs wrote:
    ... The socket is male.
    The socket is female and not as you wrote male :lol: :not:
    PS.
    But with the current propagated gender, it's a matter of consciousness, not reality.
  • #5 16578343
    ArturAVS
    Moderator
    Posts: 26466
    Help: 2305
    Rate: 7872
    The socket has bolts and the plug has a hole. What is male?
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  • #6 16578349
    DiZMar
    Level 43  
    Posts: 32811
    Help: 2895
    Rate: 6679
    arturavs wrote:
    The socket has bolts and the plug has a hole. What is male?

    It depends on what nomenclature. The electric socket has holes or feminine holes. The electric plug has pins or male. In a truck (because in personal as I wrote) as I see the opposite, that is, gender works.
    Nest, e.g. here that is, feminine is clearly visible
    Plug, e.g. here and link or here male.
    Since there are pins in the socket and holes in the plug. How do I see you have a socket with a pin and your wife has a plug with a hole? You can do it anyway.
  • #7 16580807
    fred77
    Level 12  
    Posts: 177
    Rate: 23
    Gentlemen, I am not interested in what kind of socket there is, I can even connect to matches, if I had a specific connection scheme.
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  • #8 16651631
    dare23
    Level 19  
    Posts: 214
    Help: 32
    Rate: 242
    That was it?
    Attachments:
    • Description of electrical socket contacts for trailers / semi-trailers. wiring-diagram.jpg (114.11 KB) You must be logged in to download this attachment.
  • #9 16652179
    diablo23248
    Level 28  
    Posts: 926
    Help: 102
    Rate: 614
    Basically, the type S plug only uses the reversing and fog lights (unless you need an additional 24V supply, Gniazo 24S does not have a CAN). The cable with the so-called brake control from the N-plug also needs happiness like a pig saddle. For stubborn buy wire 15 / 2x7 and 15 pin plug, replace the socket, remembering to properly connect the wires. The sockets can be bought so-called idiot-resistant. Cables fastened with a screw and each pin in the right color. So even if you make a mistake, the error can be easily fixed. Another solution - purchase of a box with connections and assembly of the box on the car.
    Description of electrical socket contacts for trailers / semi-trailers.

    For example, as in the picture ...

Topic summary

LABEL_AI_GENERATED
The discussion concerns building an adapter cable between a car equipped with 24N and 24S trailer sockets and a trailer fitted with an ADR 24V 15-pin plug that cannot be modified due to warranty restrictions. The main need is a wiring diagram or pinout explanation for the 15-pin connector and the 24N/24S sockets, since the contact assignments differ. Participants clarify connector gender and note that the 15-pin system is used for trailer lighting and additional functions such as reversing, fog lights, brake control, auxiliary power, and CAN-related signals. A practical solution suggested is to use a 15-pin plug/socket adapter or replace the vehicle-side socket with a 15-pin connector, with color-coded, screw-terminal “idiot-proof” sockets recommended for easier wiring and error correction.
AI summary based on the discussion. May contain errors.
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