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I need some help. I had a full pull out motor out of a 05 Denali and I had a few questions on a picture that I attached. I labeled two different items 1 & 2 in red for easier reference and I am not sure what they are supposed to go to. Vacuum lines maybe? Any help would be greatly appreciated! Also, does anyone have a picture of an LQ9 wiring harness to what each plug is used for? I have most of the wires/plugs hooked up already, but there are a few plugs left over that I dont know what they are for...
#1 goes to the gas tank to relive pressure built up inside the tank. On the Denali it would have gone back to a vapor canister solenoid, the solenoid would connect to the charcoal box, and the box connects to the gas tank
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05 lq9 
