- Dec 16, 2017
- 144
- 139
- Funster No
- 51,667
If you have or had a tow bar it could be to isolate a permanent live outlet from the 7 or 13 pin socket.
Yes I do have a towbar with 7 pin electrics.
I don't think a 7 pin set up has a permanent live but I'll take a look.