Premium Appletree House Brand. Type 1 turn signal switch. This switch activates your turn signals and emergency lights. This is also responsible for turning the blinkers off when the wheel returns to center 72-79 has built in dimmer OEM NUMBER: 111-953-513F Beetle Type 1: 72-79 Ghia: 72-74 Type 3: 72-74Appletree Automotive