The Power Locking Kit is the latest technology from Bluewire Automotive which now has more power than from other power locking kits, these are hardworking Locking Motors and are great for operating older/classic cars. This kit uses negative lock and unlocks signals from a remote alarms/immobilisers to mechanically operated the lock mechanism of a car door. Electro-Mechanical activation Lock and unlock all doors by operation by Right front door. Operation of Master and slave actuators Each kit uses a master actuator for Right front door, and a slave actuator for the front left & all rear doors. (4 in total). Master actuator control all actuators. Full complement of hardware:1 x Master 8kg Black power Motor3 x Slave 8kg Black power Motor4 x Metal brackets4 x 3-point fixing clamps slot/cross screws,4 x Rods4 x Speed nuts1 x Switch Controller Module1 x Full Wiring Harness Part No: BWACL04 ATT: Remote Controls are not supplied in this kit but can be added to this system. Operating voltage: +9VDC to +15VDC Operating temperature-20 degrees to +85 degrees for equipment designed to be installed within vehicle cabin. Polarity protectionThe system circuitry is design to protect itself against accidental battery polarity reversal. This can happen when replacing the vehicle battery. Short circuit protectionThe power supply wire to the system is protected against an internal fault within the system. Current ratingAll relays rated to carry 15amps continuous, connector 8amps continuous. We fit this model Power Locking kits to many Pre 1970 cars as we know our kits are set up with strong motors for heavy locking rods eg: FJ Holden, 1954 Willys Sedan