NOS NORS Casco car lighter socket receptacle.  The socket is in very good condition.   It is marked 6 V.   But should work for 12 volts as well.  The 6 volt sockets were required to carry more current.   Remember E=I x R.
Complete with instructions and power cable.

1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1079 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990.
Buick Cadillac Chevy Chevrolet Ford Mercury Chrysler Dodge Plymouth Studebaker