New Old Stock In The Box From G.M.
This new old stock headlight switch resistance thermostat, resistor was manufactured by General Motors for use on the following models:
Buick 1928-1939 some models
Chevrolet 1934-1939 exc. DB, DC, P, EB, EC, Q, FB, FC, R, HA, HB, JA, JB, COE.
Oldsmobile Viking 1929-1930
Pontiac 1928-1939 some models
Mounts on the headlight switch 1-1/4″ long and 0.75 ohms.