here is a diagram
Directions for installing a manual boost controller (MBC)
1. Remove old restricter pill lines that connect the wastegate to the turbo outlet vac port.
2. Disconnect original OEM electric boost controller sensor line.
3. Take the extra line removed and connect it to either side of your new MBC.
4. Connect the exit port of the MBC to the turbo inlet vac port.
5. Connect the entrace to port of the MBC to the wastegate vac port.
6. Mount MBC anywhere you please, close is better because less chance of a leak.
7. Adjust MBC according to manufacturers directions how many PSI you want to increase, or decrease.