Thanks for the reference.
I’ve just been looking at the PET catalogue. Not very clear but here is what I found:
70 - 73
911.612.026.00 Wiring harness switch rear fog light
911.612.040.00 Wiring harness rear fog light
911.612.027.00 Wiring harness front fog light
G-model
911.612.154.00 Wiring harness rear fog light
911.612.027.03 Wiring harness front fog light
901.612.066.02 Wiring harness switch front and rear fog light