1964.5-1973 Ford Mustang Convertible GT, GTA, 1968-1970 Shelby Mustang Convertible, GT350, GT500, KR, 1967-1973 Mercury Cougar Convertible, XR7. NEW-OLD-STOCK HEAD LIGHT DIMMER FOOT SWITCH BUTTON CAP. This is an ORIGINAL FORD NOS PART. Brand New. Excellent Condition. Impossible To Find NOS. Please email with questions. 050824-17 WE HAVE AN EBAY STORE WITH THOUSANDS OF ORIGINAL and NOS FORD PARTS. CHECK IT OUT.