I think this is what you need:
Wurth
http://www.wurthusa.com/project/en/leftnavi/catalog/product.php?path=03.0112.jpg
Another choice is to go to a Porsche dismantler and get a wiring harness out of a car. Don’t expect them to remove it for you without paying a LOT. It is very difficult and time consuming.
When you order an 'old' wiring harness from Porsche, they have it manufactured (one-off to original specs) specifically for you. You better get the correct part number because it is yours.
Best,
Grady