When doing replacement or upgrading on 1958 – 1979 Ford Ranchero, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 1979 4652
1977 – 1978 H4656
1958 – 1959, 1967 – 1976 H5006
High Beam Headlight 1977 – 1979 H4651
1958 – 1959, 1967 – 1976 H5001
High Beam and Low Beam Headlight 1960 – 1966 H6024
Back Up Light 1958 – 1979 1156
Brake 1958 – 1959 1034
1960 – 1979 1157
Dome Light 1958 – 1969 1003
1970 – 1971 105
1977 211-2
1972 – 1976, 1978 561
1979 89
Front Side Marker 1973 1157
1968, 1978 – 1979 1157NA
1971 161
1970, 1972, 1977 194
Front Turn Signal 1958 – 1979 1157
License Plate 1963 – 1967 1155
1977 – 1979 168
1975 – 1976 194
1958 – 1962 67
1973 – 1974 90
1968 – 1972 97
Parking Light 1958 – 1976, 1978 – 1979 1157
1977 1157NA
Rear Side Marker 1977 – 1978 1157
1971 161
1969 – 1970, 1972 – 1976, 1979 194
Rear Turn Signal 1959 – 1962 1034
1977 1156
1958, 1963 – 1976, 1978 – 1979 1157
Tail Light 1958 – 1962 1034
1963 – 1979 1157
Luggage Compartment 1977 – 1978 1003
1960 – 1966 631
1975 – 1976, 1979 89
Courtesy 1977 1816
1976 211-2
1971 – 1972, 1974 – 1975, 1978 212-2
1960 – 1970 631
1958 – 1959 67
1973 89
1979 97
Engine Compartment Light 1960 – 1970 631
1973 – 1977 89
Glove Box 1967 – 1970, 1972, 1977 1816
1960 – 1966 1895
1973 – 1976, 1978 – 1979 194
Map Light 1974 – 1977 1003
1978 194
1979 561
1960 – 1970 631
1959 89
Radio Display 1960 – 1967 1891
1959, 1978 – 1979 1892
1968, 1972 – 1977 1893
1969 – 1971 1895
1958 57
Trunk 1968 – 1971 631
1972 – 1974 89
1967 93