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Dec 18, 2016 at 20:35 history edited dlu CC BY-SA 3.0
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Dec 18, 2016 at 20:30 comment added Eugen Mihailescu I am going to use a generic one like this one for example, which has a 7-way ISO 1774 connector.
Dec 18, 2016 at 20:28 history edited dlu CC BY-SA 3.0
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Dec 18, 2016 at 20:25 comment added dlu Are you going to be hauling a specific trailer or a "generic" one with an ISO 1724 connector. That will make a difference. The "meaning" of pin 6 is not well specified. The original use (DIN 72552) was for electric brake control, but the pin gets used for a number of different uses (+12 V, rear fogs, etc.) in addition to controlling the brakes. With a generic trailer, I'd expect that pin 6 would be unused. You might check local standards to see what they say, or speak with an inspector to see what they check for.
Dec 18, 2016 at 20:20 comment added Eugen Mihailescu I have not tested since I don't have a trailer but I prepare my car for this job. Oh, by the way: I live in Europe and before using such a "changed car" you have to go through a registration control (or whatever it is called on English) where they will check if the car's changes (eg. the tow and the socket provided) meets the EU standards an regulations.
Dec 18, 2016 at 19:57 history answered dlu CC BY-SA 3.0