01 1500 4x4 vacuum lines
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Green is the vent line, vent is located somewhere behind the throttle body, and white is the vacuum line from the intake manifold. There should be a check valve on white line.
https://dodgeforum.com/forum/2nd-gen...t-is-this.html
https://dodgeforum.com/forum/2nd-gen...t-is-this.html