Hi,
It sounds like you're busy. LOL As far as the vacuum schematics, I attached two below. One is for the HVAC system. The other is for the engine/emissions.
Take a look through the schematics and let me know if they help or if there is something specific you need.
Take care,
Joe
See pics below.
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Saturday, September 9th, 2023 AT 9:00 PM