Tracing vacuum lines - '95 E320

Actually 2 questions... 1) The gray line above the brake booster that supplies vacuum to the HVAC system, where on the intake(?) does it plug in? 2) Now that this long active link is dead (http://www.w124-zone.com/downloads/MB CD/W124/Main.html ) are there any other easily accessible workshop manual sources?

Actually 2 questions...

1) The gray line above the brake booster that supplies vacuum to the HVAC system, where on the intake(?) does it plug in?

2) Now that this long active link is dead (http://www.w124-zone.com/downloads/MB CD/W124/Main.html) are there any other easily accessible workshop manual sources?

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