Looks like someone has perhaps added a non standard colour wire.
As CAL844 said there is no inline connector at that point.
On mine the 2 wires go straight into the electronic module.
I think the lead should look something like this:
http://www.minispare...|Back to search
Top man, that is indeed the factory loom, there was also a 3 pin version too iirc.
I couldn't find the loom to link to ? must be the heat lol