Facing the box you have two relays on the left side one on top of the other.
How to wire relays for power door locks.
Power door locks function intermittently.
If the relay and switch are working properly but you re not getting power and ground at the door lock actuator check the wiring harness in the hinge area of the door.
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.
That s where most wire breaks occur.
Open the hood if it is not already open.
You can have your lock unlock switch either throwing power to the relays to activate them or throw a ground to them.
If the ground is good remove the door trim panel and check for power and ground coming into the power 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.
We can then help with specific wiring info.
Locate the relay next to the cluster of different relays and solenoids.
You tell us how you want to use your lock unlock switch as to whether you want it to throw power to the relays to lock and unlock the doors or have it to where they throw a ground.
Get the new relay out of its package.
I know enough about electrical wiring to efficiently burn the house to the ground.
Using a pair of needle nose pliers pull out the old relay.
When you look in the fuse box you have three relays that work the power locks.
If your alarm or keyless entry has positive outputs only you will have to connect the other side of the coils to ground and connect your outputs as shown.
Remove the old door lock relay.
Door locks 5 wire alternating 12 volts positive type c relay wiring diagram.
On the right side you have a single relay.
The remote has 10 wires coming from its harness.
Install the new door lock relay.
If the door lock relay has any internal or wiring issues it can cause the door locks to function intermittently.
The lock and unlock wires below refer to the switch wires not the motor legs.
Should you need to add relays for a 3 wire negative type b door lock system use the diagram below.