POWER LOCKSThe Basic lock motor allows two positions.Slide 3The Closed Type SwitchThe Open Type SwitchThe Solenoid Power LockSlide 7Slide 8Slide 9POWER LOCKSAn electrical circuitBy Luke MehlingThe Basic lock motor allows two positions.Up or Down•The power door lock uses either a motor relay or a solenoid.•They both are offered as an efficient application.The Closed Type Switch•This switch allows the power to be inverted making the flow of electrons to go backwards.•This is only used with the motor style power door locks.The Open Type Switch•This switch shows the lock in the open position.•It then sends power through the other way to close it.The Solenoid Power Lock•Some older vehicles have the solenoid type Power lock unit.•Due to the overwhelming demand and lack of supply for this style power lock unit the motor power lock unit was then put into use and the solenoid was put to pasture.•The solenoid style unit uses a 12volt source with reversible polarities to move the lock to the opposing position.•The motor style unit uses a 12volt source with the motor doing the same thing.•The Power lock circuit is usually the same in its applications.•The power is supplied from the battery through the switch, through the door lock relay, then directly into the motor or