Why Do Door Lock Actuators Have 4 Wires

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.

Why do door lock actuators have 4 wires.

Except at the switch in this case both motor legs rest at ground. Door locks 5 wire alternating 12 volts positive type c. If you are doing a conversion from non power to power locks use the 5 wire to control the other locks. The actuator on the passenger door cut off the white brown and black wire and on the driver door ground the black wire and tie in the white and brown wire on the blue and green.

Here is an easy 5 wire setup for anyone to use in any vehicle without the use of any relays. If the door lock relay has any internal or wiring issues it can cause the door locks to function intermittently. The door locks may function correctly one moment and in the next will cease to operate. I know enough about electrical wiring to efficiently burn the house to the ground.

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. Wire up the relays like your diagram and run it to the blue and green wire on the actuator. Solenoid and dc motor. 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.

Another symptom of a potential problem with the power door lock actuators are door locks that behave erratically. Each door has its own actuator. Door lock actuators are made in two styles. Symptoms of a failing door lock actuator.

The switch when moved in either direction applies both power and ground directly to motor legs without the use of any relays. How to wire automotive spdt relays. The remote has 10 wires coming from its harness. Being the act first think later type one dark rainy winter night i ripped the actuator out of the drivers door and binned it then when pulling the passenger side actuator out i noticed that the wires were all wet so must have been grounding the lock and unlock wires causing to lock and unlock repeatedly.

Green lock blue unlock.