Did it fine in the end, all the bulb holders plugs fit bar the reverse, you literally just cut the plug off a prefacelift's reverse bulb holder and then solder that to your facelift's reverse bulb plug wiring. That's it lol. You can even just connect your donor plug into the prefacelift's reverse bulb holder then simply push the wires into your facelift plugs holes and then wrap tape round (how I tested it was working before soldering) then you could revert back to facelift without anything being soldered.