What does a clock spring do?

In vehicle steering systems a clock spring or clockspring is a spiral-wound special rotary electrical connector which allows a vehicle's steering wheel to turn while still making an electrical connection between the steering wheel airbag and/or the vehicle's horn and other devices and the vehicle's electrical systems. read more

The wires from the airbag electrical system connect through the base of the clock spring's electrical connector to the end of the conductive ribbon. The other end of the ribbon is attached through the wires on the top of the clock spring's electrical connector to the air bag unit. read more