Car Door Lock Actuator Wiring

If there are no external door lock switches you will most likely have a vacuum type system or an aftermarket door lock system with relays or have an added actuator that needs relays.

Car door lock actuator wiring.

In some cars the door lock actuator is positioned below the latch. The remote has 10 wires coming from its harness. Another symptom of a potential problem with the power door lock actuators are door locks that behave erratically. Car door lock actuators are designed to lock and unlock a door without the effort of pulling on a cable and rod.

Next with your multi meter probe each of the wires in this harness and write down the readings during lock unlock and at rest positions of the switch. The concept of a door lock actuator works great until it doesn t. On manual locks the locking function operates by pushing or pulling on the door lock. Door locks actuators reverse polarity positive switch trigger type d relay wiring diagram.

This manipulates a series of rods that slide back and forth opening and closing the locking mechanism at the door latch. To the coil of the respective relay. 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. Both motor legs rest at ground at the relays.

How a door lock actuator works. When the actuator fails or starts to fail you ll likely notice one or more symptoms that make your daily commute less pleasant. On a vehicle with electric locks the process is a bit different. I know enough about electrical wiring to efficiently burn the house to the ground.

A door lock actuator is basically a reversible motor or a solenoid on some vehicles with gears that operate 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. Power door locks do not function. I try to provide tips to help you install on your vehicle.