How does a car door lock relay work?
How does a car door lock relay work? They make the task of locking the vehicle’s doors as simple as pressing a button on the key fob or inside of the vehicle. The door locks are electronically controlled, and as is the case with many other automotive electrical circuits, they will run their power through a relay. Why does my car remote not unlock the door? Q: My remote won't unlock or lock the driver side door but opens the other doors. My driver side door just stopped locking and unlocking when using the remote. The remote will open and...