When you go to order a new door lock you will find that the old door
locks are all superceded to 7D0 959 781A (or 7DO 959 781A). But to
use the new door lock, you are supposed to use wiring harness adapter
701 972 390 (for the front two doors) or 701 972 390A (for the slider
or hatch).  But the harness is expensive and may not be available
when you are reading this.

And truth be told, you really don't need the external add-on harness
if you understand the pin-outs of the new door lock motor.

I made the following diagram of the wire colors coming out of the
motor and they are in a row like this: Brown, Red, Yellow, and White.
These then connect to the corresponding color wires in the vehicle
harness as follows: The red goes to a single conductor wire that goes
to a red wire, and the Brown Yellow and White wire go to a
tri-connector wire housing that connects to a tri-connector wire
housing that should already be in your vehicle with those three color
wires in it. Just connect the three wires so the colors
correspond.  With that information, you would be able to make up your
own little wiring harness if you were so inclined. Note that Red is
not used in the sliding door or the rear hatch, only the front two
doors. Below is my drawing of this.

https://lh6.googleusercontent.com/-8edV0f6J9w8/T1VaSDsA_bI/AAAAAAAAAFM/EHgP3WJ-Rwc/s640/701972390_Power_Door_Lock_Harness.jpg

If you are really smart you will ask which side of the door lock the
brown wire is on. It looks like I felt you could figure it out by
looking at the text that says "door lock side" but better test it
just to be sure.

People on Samba also report good results by using non-VW door lock motors.

(Search texts:

7D0-959-781A
7DO-959-781A
701-972-390
701-972-390A
7D0959781A
7DO959781A
701972390
701972390A
7D0 959 781 A
7DO 959 781 A
701 972 390
701 972 390 A

_______________________________________________
Derek Drew
Washington DC / New York
derekdrew@derekmail.com
Email is best normally but...
PHONE: 202-966-7907 (Call the number at left normally)
(alt/cell for diligent calling only): 703-408-1532