Most common antenna connector commonly called a Motorola connector. This was the norm for most car stereo for many years and is still the aftermarket choice.  In other words, if you buy an aftermarket car stereo for your car, the new radio will likely have the Motorola connector.  But your car antenna wire may be something else, they now have strange antenna connectors for Ford, General Motors, Volkswagen, Mazda, BMW and more....   Don't worry, we have adapters to make this easy.