Bought the wheel from Cascadegerman on Ebay seller 11/2017 - yes, it took me over a year to put this in. https://www.ebay.com/itm/New-Genuine...item43bcc813b8
Next was to download this and read through. This is very thorough and although it is from the reference of installing an entire MFSW, he covers off all connectors, pins, wires, etc. and even provides simple wiring digrams for routing https://www.motor-talk.de/forum/akti...hmentId=736645
I also did a lot of research on wiring and connectors and since Audi won't sell you crimp ends anymore and only sell you yellow repair wires, I found this guy on Amazon. He's in Latvia, but his service is amazing and is very knowledgeable. https://www.amazon.ca/s/ref=bl_dp_s_...ords=Macroconn
if you want to contact him, you can use that link or email me and I'll send you his direct contact.
I also used these guys for all the wiring. They don't have the smaller wire, 0.5mm and smaller, but I find for stuff like this it doesn't really matter. http://www.riwire.com/
After I ordered everything I went to the junk yard and picked up a turn signal stock, clock spring, and lower trim, and the trunk release button to test out my plan.



After I was comfortable with the fit, I built the wiring harness and tested the fit in the car. As you can see in these photos I wrapped my harness with hockey tape for a factory look.


I had to buy the 2 wire connector to connect to the clockspring and I had to make a couple of splice joints along the way. 2 pin connector is on the right side, middle of the image. It has the Black and Yellow wire coming out of it

As you can see in this photo, I opened up the plastic wire holder and put the wire in the factory location. My harness is the 2 thin wires hanging down - one has the tan connector on the end.

I brought the power wire down into the fuse box and soldered it to the thinner black/Yellow wire, middle of the image, to the right of the 10mm Black/Yellow main feed.

I then copied the position on the tan bottom column trim and made a template. I took the black trim from my car and cut out the square

Test fit

The only thing I didn't have was the pin to connect the switch on the steering column to the 616 relay on the panel. I have ordered this and will update when it comes in.
Finished product.

Obviously without the switch hooked up I can't test whether it's working, but my wires had continuity so I should be good. Once the pins come in it's a 15 min job to get it hooked up. I will update when that happens. The reason I went this route is I didn't want the wheel tied into the seat heater. There are times where I don't want the wheel on but want the seat on so I figured this would be the best way to do it.
No real major issues here. I couldn't figure out how to get the wire holder out of the dual relay connector (separate post on here) but eventually figured it out.
the last thing is to pull the switch, clean off the paint, and mask out the heated steering wheel icon and re-paint. Does anyone have the Audi button graphic file that I can grab? eps, ai, dwg, dxf, it's all good - I want all the icons if a file exists for this.
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