Hello all just trying to narrow down why Sasha won't shut off with the key. I found this black vacuum line coming from the side of the I.P. it goes into the car and ends at about the middle of the steering column not hooked up to anything? I imagine it is supposed to have a destination? Any help would be greatly appreciated! I included a picture hope it helps.

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1983 300D Russett Brown, Euro Bumpers, Euro Headlights, Rear Headrests, lots of upgrades 256,000 (Sasha)

1980 300TD 200K Third row seat, original owner car with lots of documentation

We live in a world that goes faster every day and it seems there's a lack of time for each one of us