How Does A 2 Wire Door Lock Actuator Work

Power door locks behave erratically.

How does a 2 wire door lock actuator work.

How to wire automotive spdt relays. In some cars the door lock actuator is positioned below the latch. 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. 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.

On a vehicle with electric locks the process is a bit different. Here is an easy 5 wire setup for anyone to use in any vehicle without the use of any relays. How a door lock actuator works. When mounted in the car it is vertical so the hook can move up or down.

This actuator can move the metal hook shown in this photo to the left or right. This manipulates a series of rods that slide back and forth opening and closing the locking mechanism at the door latch. The 2 wires named battery red wire after the fuse to positive 12 vdc and the black to ground or minus battery pin. Solenoid and dc motor.

How power door locks work. I want to use an arduino to activate a two wire actuator automobile power door lock mechanism. On manual locks the locking function operates by pushing or pulling on the door lock. To lock or unlock the vehicle polarity is changed on one motor leg via a positive pulse from a switch alarm keyless entry etc.

If you reverse the polarity on the actuator and apply power it flips in the other direction. Car door lock actuators are designed to lock and unlock a door without the effort of pulling on a cable and rod. Each door has its own actuator. 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.

It mimics your motions when you pull the knob up or push it down. Power door locks do not function. When power is applied the actuator flips in one direction. The actuator runs off 12 volts.

Both motor legs rest at ground at the relays. Symptoms of a failing door lock actuator. Door locks actuators reverse polarity positive switch trigger type d.