Oh ok, I thought the one that was going to the back of the IP was going to the back of the VCV. So that one should be brown/purple as long as that one is still correct inside the car.

The solid brown line should be hooked up to the source vacuum... yes... but connected how? I just can't see it in your photo. Does it connect to a 4-way connector with the doors and A/C green/yellow line? That is source vacuum correct?

The one with the green damper on the top of the VCV seems easy to me, I think I figured out how to do that whole chain of connectors, orifices, lines, etc.

Thanks,
David

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1985 300D. 179,000 miles.