Fuel line 2006 SRT

[Mattias]

Hi Everyone!
10 years ago I started a project building an AC-Cobra replica, based on a Viper 2006 SRT. Due to different reason the project was put on hold for quite some time shortly after I started. However, I have been busy the past year in finishing the snake. I have now come to the point where I need to reconnect the fuel line. Being located in Sweden Europe where the viper is very exotic, I can not fund much info in real life. I have the workshop manual and can easily find the fuel supply from the tank (I am using the original fuel tank as well). From the fuel tank there are three lines:
Line1: Supply from tank to engine
Line2: I think it should be connected to air intake to supply the

[Mattias]

Line3: I can not figure out where it connects to.
Can anyone tell where the lines connect I