How to get both rear fog lights working if you only have one.
Not sure if this has been done before, but thought I would put some pics up and some very basic instructions.
Remove both light clusters with the screw in the boot, and pull forward the light cluster to remove.
Unplug both connectors using a flat blade screw driver pressing in on the metal tag and store light cluster safe.
On the near side (passenger side) you will notice there is a wired pin missing in pin number 6 on the plug.
Insert a wire into pin 6 and secure to loom, any colour wire will do, I used dark Green.
Tape up to the existing loom using PVC tape or similar.
Run the wire into the car the same way the existing loom is, you will need to remove the air vent panel in the boot (1 X Phillips screw) to gain access.
Run your wire down the boot floor and through the off side vent hole, back out of the car to the off side light loom.
You will notice the plugs are wired differantly on both sides, the wire colour you want is
Grey (Pin 2) Strip off the insullation and splice into the Grey wire. Tape up all connections.
Insert a bulb into the near side fog light hole and put the car back together.
You should be left with Dual fog lights
Both reverse lights still work as they should.
My car is 2003, I pressume the wiring is the same on all ages but you would need to double check everything if your wiring colours are differant to mine or is a MK1.
Hope this is usefull