newbie needs help please

[amarantes]

hi my name is Al i just brought a tta i am have a vaccum line off. there are 2 lines coming out of the wiring near the heater box. 1 one goes behind the coil and t off line 2 is off i dont know where ot goes. it is about 14 inch plaste with a streight rubber on the end i found it near under the tb right side near the turbo all other line look good waste gate lines on top of the tb thanks for the help

 

[Razor]

Does your factory boost guage work. If not its the one to the MAP sensor on the AC box.