Replace the defective headlight switch in your 1980-1986 Mustang with this high-quality replacement! Headlamp switches tend to go out when you least expect them to. Shed some light on the solution with this high-quality reproduction of the original headlight switch! This switch works on models with, and without, fog lights. All of the factory connections are in place for a quick and easy installation. Simply swap out your light knob/rod assembly, and the rest is a plug and play application that will get your lights working as good as new again.