Vacuum line?
GM calls it "Harness". GM p/n- 24506671
It's part of the EVAP loop.
Link: Harness | Genuine GM | 24506671 : Quirk Auto Parts | OEM & Aftermarket Car, Truck, SUV, & Van Parts and Accessories
It's part of the EVAP loop.
Link: Harness | Genuine GM | 24506671 : Quirk Auto Parts | OEM & Aftermarket Car, Truck, SUV, & Van Parts and Accessories







