What are these 2 cables for?

[Mac-n-cheesy]

I'm starting a little diy project for my 2.0 JL and before I do anything I want to make sure I have all variables down before anything goes wrong. These 2 cables attach to the box containing the air filter? What are they for and are they necessary to keep connected?

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[BrokenDana35]

One of those is the make up air line for the PCV system. You will get a Check Engine Light with it disconnected

 

[Flip]

I don't think those aren't cables dude, they look like air or vacuum lines.

 

[Bandit59]

I'm starting a little diy project for my 2.0 JL and before I do anything I want to make sure I have all variables down before anything goes wrong. These 2 cables attach to the box containing the air filter? What are they for and are they necessary to keep connected?

I think may have something to do with the evap system. They had to replace that on mine

 

[GATORB8]

Left side is the Vacuum Boost Hose, right side (with the green anti tamper) is the Fuel Vapor Purge Hose

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