To Bob Geco (krwaxbc): I traced the wiring and found that the fog light circuit is via a separate fuse box in front of the regular fuse box which contains 12 fuses. This separate fuse box has two stations for fuses, but only one is wired: That one has power only when the parking lights are on: The switch on the dash is one click to the right. When you pull the switch out, the fog lights come on (together with whatever is on for parking lights) The fog lights go out in any other switch position. Where the Euro model headlights have the fog light, I have the directional blinkers. Therfore, when your switch is all the way to the right, the fog lamps go out, the headlights come on and the parking lights remain on.
1969 280SL,Signal Red, A/T, P/S, A/C, Both tops. Ret. engr. 1967 230SL - Sold