Up for sale is a New Old Stock, original FoMoCo Horn Relay. Stamped with the manufacturer's name LITTLEFUSE INC as well as the FOMOCO logo and Ford number C4AB-13853-A. This is NEW, has never been installed, and has been sitting on the shelf for years! Quality item made right here in the USA many years ago. Great to have a spare on hand as the one on your car may decide to quit anytime! This relay has a 1-hole mounting bracket and fits many Ford, Lincoln, and Mercury automobiles. For 1967 and later models, this relay may be for cars equipped with Cruise-Control. See photos to be sure this is the relay you need. This relay is correct for the following automobiles:

1964-1979 Ford Ranchero