The ACDelco 1110 GM Headlamp Switch is a universal style switch designed to control the headlight with a built-in dimmer feature. Manufactured by ACDelco in the United States, this headlamp switch is suitable for a variety of vehicles and is designed for easy installation on the dashboard. With its universal fitment and reliable brand reputation, this switch is a practical and essential part for any car or truck looking for a quality headlamp control.