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rustandoil



Member Since: 08 Sep 2012
Location: Cotswolds
Posts: 736
England 2005 Defender 110 Td5 XS DCPU Bonatti Grey
Correct name for this "trailer" connector
I have a couple of these to sell, but it would be nice to call it by the correct name before posting in the for sale section...

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Post #1042823 15th Aug 2024 11:35am
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90 Dreamer



Member Since: 13 Jul 2019
Location: Oop North
Posts: 2138
United Kingdom 2016 Defender 90 Puma 2.2 HT Corris Grey
its a 7pin towing socket.......12N being the "code" I believe
Post #1042824 15th Aug 2024 11:37am
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Martin
Site Admin


Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6603
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red
It's a 12S aux/supplemental 7 pin socket.  1988 90 Td5 NAS soft top
2015 D90 XS SW
Post #1042826 15th Aug 2024 11:52am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17333
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
That's actually a 12S socket not a 12N, and is used for the supplementary connections needed for wobble-boxes and the like. It is not used for normal trailer lights etc.

The distinguishing feature is that a 12S has 5 female and 2 male contacts whilst a 12N has 4 female and 3 male, the central pin being male on the N and female on the S.

Ha, Martin's post and mine were concurrent! Rolling with laughter
Post #1042827 15th Aug 2024 11:54am
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Martin
Site Admin


Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6603
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red
Ner Ner  1988 90 Td5 NAS soft top
2015 D90 XS SW
Post #1042828 15th Aug 2024 11:57am
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20292
United Kingdom 
And now they’ve all been updated to new style all in one sockets, which don’t match many trailers, and thus you then need an adaptor.
And some trailers are LED, some typical incandescent light bulb units and boards which doesn’t always work properly with towing vehicle. Thud
Rolling with laughter

So now there is backward capability adapts needed, plus the added issue of different lighting types. Rolling with laughter
Personally I’d have thought it would have made sense to have had all in one anyway, not separate 12N and 12S. ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️
Post #1042833 15th Aug 2024 1:42pm
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mini Anaconda



Member Since: 23 Aug 2016
Location: Thames Valley
Posts: 780
United Kingdom 
Had that problem the other week. Hired a trailer which had a 13 pin plug, but I only have a 7 pin socket on the Land Rover with no adpator available at the time. Mad BORG - Bucks & Oxon 4x4 Response Group
Post #1042835 15th Aug 2024 1:56pm
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rustandoil



Member Since: 08 Sep 2012
Location: Cotswolds
Posts: 736
England 2005 Defender 110 Td5 XS DCPU Bonatti Grey
Thank you chaps.... I will list them as 12S with pictures Thumbs Up
Post #1042836 15th Aug 2024 2:00pm
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90 Dreamer



Member Since: 13 Jul 2019
Location: Oop North
Posts: 2138
United Kingdom 2016 Defender 90 Puma 2.2 HT Corris Grey
blackwolf wrote:
That's actually a 12S socket not a 12N, and is used for the supplementary connections needed for wobble-boxes and the like. It is not used for normal trailer lights etc.

The distinguishing feature is that a 12S has 5 female and 2 male contacts whilst a 12N has 4 female and 3 male, the central pin being male on the N and female on the S.

Ha, Martin's post and mine were concurrent! Rolling with laughter


my bad, should have noticed the colour as the std 12N style is Black and this 12S is always an off White colour........... Embarassed
Post #1042837 15th Aug 2024 2:11pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17333
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Martin wrote:
Ner Ner


I didn't know we had that emoticon available! I'll have to remember that.... Laughing
Post #1042843 15th Aug 2024 3:56pm
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jim4244



Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 773
England 2007 Defender 90 Puma 2.4 CSW Zermatt Silver
Hi all

I never tow but my 90 has these 2 sockets fitted.

So the black socket would be used for towing and the white one to supply auxiliary power to whatever I was towing? Is that correct?



Click image to enlarge

Jim
Post #1042880 16th Aug 2024 3:31am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17333
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Yes, in practice only caravans use the supplementary socket.

What a ridiculous place to fit the sockets!
Post #1042883 16th Aug 2024 6:45am
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jim4244



Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 773
England 2007 Defender 90 Puma 2.4 CSW Zermatt Silver
Yes.... It does seem a strange place..

Maybe the chap who fitted them had a bad back and didn't like bending down? Laughing

Jim
Post #1042884 16th Aug 2024 7:13am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17333
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
And a very long lead on his trailer!
Post #1042889 16th Aug 2024 8:00am
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