How Does A 2 Wire Door Lock Actuator Work

Be aware this product will draw 8 ma of current 24 7 or 5 8 amp hours per month out of your battery in addition the energy to open close the lock as many times you do that each day or week.

How does a 2 wire door lock actuator work.

This actuator can move the metal hook shown in this photo to the left or right. I want to use an arduino to activate a two wire actuator automobile power door lock mechanism. Door lock actuators are made in two styles. If you reverse the polarity on the actuator and apply power it flips in the other direction.

Power door locks behave erratically. Each door has its own actuator. In some cars the door lock actuator is positioned below the latch. How power door locks work.

The 2 wires named battery red wire after the fuse to positive 12 vdc and the black to ground or minus battery pin. Symptoms of a failing door lock actuator. On a vehicle with electric locks the process is a bit different. When power is applied the actuator flips in one direction.

This manipulates a series of rods that slide back and forth opening and closing the locking mechanism at the door latch. Power door locks do not function. It mimics your motions when you pull the knob up or push it down. If the actuators have any sort of internal or wiring issue it may cause them to rapidly lock and unlock unexpectedly or cause them to function intermittently.

How to wire automotive spdt relays. Car door lock actuators are designed to lock and unlock a door without the effort of pulling on a cable and rod. How a door lock actuator works. Another symptom of a potential problem with the power door lock actuators are door locks that behave erratically.

If the door lock actuator doesn t work with any method then the problem can be the door lock actuator itself the wiring or the control module. Door locks actuators reverse polarity positive switch trigger type d. Both motor legs rest at ground at the relays. Solenoid and dc motor.

On manual locks the locking function operates by pushing or pulling on the door lock. The actuator runs off 12 volts. To lock or unlock the vehicle polarity is changed on one motor leg via a positive pulse from a switch alarm keyless entry etc.