| 1964-1977 Chevrolet El Camino Headlight Dimmer Switch - Replacement Chevrolet El Camino Headlight Dimmer Switch. Brand: Replacement. Fits Years: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77. Headlight Dimmer ... more 1964-1977 Chevrolet El Camino Headlight Dimmer Switch - Replacement Chevrolet El Camino Headlight Dimmer Switch. Brand: Replacement. Fits Years: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77. Headlight Dimmer Switch - 953-100 Partsgeek.com | Partsgeek.com | $13.95 FREE shipping go to store |