Hi Lars..
From memory, the facelift cars have both twin reversing AND fog lights at the rear, mine is pre-facelift, but I have also done the swap to facelift rears on another car, and will be doing my own as soon as I get time.
I wired the last one to have twin rear fors, as the car originally only had one on the OS (our driver's side) I do have notes scribbled down on a piece of paer somewhere, but I'll need to dig it out. I will have noted the correct wires to connect/coding options.
I'm in the shop all day every day until Wed though (downside of sacking a staff member - Don't ask

)
Mike