To lock or unlock the vehicle polarity is changed on one motor leg via a positive pulse from a switch alarm keyless entry etc.
Car door lock actuator wiring.
I know enough about electrical wiring to efficiently burn the house to the ground.
A rod connects the actuator to the latch and another rod connects the latch to the knob that sticks up out of the top of the door.
Both motor legs rest at ground at the relays.
The remote has 10 wires coming from its harness.
To the coil of the respective relay.
Car door lock actuators are designed to lock and unlock a door without the effort of pulling on a cable and rod.
The items we have are a cfd universal car power door lock actuator 12 volt motor a docooler car remote central lock locking keyless entry system with remote controllers.