CENTRAL DOOR LOCK AND UNLOCK KIT This kit will convert your current manual door locks to the convenience of power locks. Will fit 2 3 or 4 door Vehicles Package Includes: Remotes x2 Main unit module x1 Actuators x4 (1 master & 3 slaves) Simple Diagram Wires & Hardware Features: Here is your opportunity to have a state of the art central locking system. This kit will convert your manual door locking system to a fully functional central locking system with keyless entry via your alarm control units. This kit can also connect it to your alarm system giving you the ability to activate/deactivate your alarm and lock/unlock your doors at the push of a button using your alarm remote control. It can also be used for vehicles that already have central locking but are looking to upgrade to keyless entry. Compatible with: Ford Aerostar Bronco Cougar Courier Crown Victoria