When the relay fails or has issues it can cause problems with the operation of the door locks.
Car door lock diagram.
Here is a picture gallery about car door lock parts diagram complete with the description of the image please find the image you need.
In this car the power door lock actuator is positioned below the latch.
Type a and type b are the most common types of door lock switch configurations found in most vehicles.
Single wire door lock systems type f type g type h there may be one two or three wires in the harness not counting the illumination wire s if any and only changes in voltage and or resistance on one wire to lock and unlock.
A rod con nects the actuator to the latch and another rod connects the latch to the knob that sticks up out of the top of the door.
Most of the newer alarms and keyless entries on the market today have both positive and negative 200 ma door lock outputs that are usually capable of activating the factory relays.
Connect the rod adapter to the factory door lock rod and secure by tightening the screw figure 3.
Place the actuator rod through the eye of the door lock plunger.
When the actuator moves the latch up it connects the outside door handle to the opening mechanism.
3 wire positive door locks.
When it s locked the cylinder engages a series of spring loaded pins which keep the cylinder.
In most cases you will not need to add relays for this type.
The door lock relay is the relay responsible for sending power to the door lock actuators so that they can lock and unlock the vehicle.
Run the wires out of the door using the factory rubber tube to hide the wires in the door jam.
It s a simple mechanism you can have a closer look on its working by watching this short video it will.
How a car door lock works is explained in this video.
Some of these will open a circuit to lock and ground a wire to unlock.
Diagram showing the parts of a door lock including the knob rose cylinder latch assembly bolt and strike plate.