Jump to content

Wiring diagram for replacement electric towing socket

Recommended Posts


I've damaged the 13 pin electric trailer socket on my 2022 Defender and need to replace it. I purchased a new socket but none of the online wiring diagrams match the colours of the Defender wires so i can wire it back in to the new socket.

Has anyone got the correct wiring diagram please, or has LR made this difficult on purpose.

Kind Regards

Link to comment
Share on other sites

'Damaged' was a slight understatement then :D

I doubt very much the wiring diagrams are available yet, a glance at Towsure shows they recommend using the factory wiring kit from LR when wiring them in. Is it possible there is a small sub-loom that can be replaced by simply plug and play with a new socket attached?

Link to comment
Share on other sites

Get the MultiMeter out and have 15 min. to see what wire does what.

Solder the extensions (sleeve them) and make it waterproof somewhere inside the vehicle so you have no issues en route to the socket. Some people fill the socket once everything is teste with epoxy or the likes to water proof it. In the end, of the 13 pins, usually "only" 7-9 are used.


Link to comment
Share on other sites

  • 2 weeks later...

Dear All, 

Thank you for your comments. I contacted LR and was told i needed to buy a new towbar assembly to get the new wiring kit i needed at a cost of £750 plus fitting. Criminal

Instead i bought a second hand wiring loom (plug and play) from a damaged Defender of Ebay at £50, a local garage fitted it and now good as new.

Thanks again for all your help.

  • Like 1
Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...

Important Information

We use cookies to ensure you get the best experience. By using our website you agree to our Cookie Policy