I've got a 1970 Mustang Convertible that I've converted to a tribute Boss 302 - mostly in looks, but it has been a blast to work on and drive. I just recently added a Mach I grill and realted fog lights. The fog lights have a standard Ford manufactured pig tail. I was hoping that I might find an unused mate to the pig-tail in the wiring connected to the headlights, parking lights and fender turn signals. No such luck. Okay plan B. Does anybody have any experience adding fog lights to a 1970 that didn't come from the factory that way? It looks like the lights have two filaments and that was new too. I figured the light was either on or off. It must have a low and high setting aside from off. Were the fog lights turned on w/ the existing head light switch or was a different switch used? Thxs much for any input.