This Cadillac headlamp dimmer control switch fits all 1961-1979 Cadillac models, Genuine New Old Stock. 

1961-1978 with Guidematic Option, and 1979 All Except Eldorado with Guidematic.

Cadillac Model Years

1961, 1962, 1963, 1964, 1965, 1699, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979

GM Part Number

1481873