Next with your multi meter probe each of the wires in this harness and write down the.
Power door lock wiring.
On the above a second 3rd or 4th actuator could be wired in parallel to the first one.
Locate the harness plugged directly into the back of the door lock switch.
One wiring scheme is resistive rest at ground which has been used in the past by various.
Call 800 505 3274 or shop online.
Power door locks have been around for many year but manufacturers use different wiring schemes.
If there are no external door lock.