wiring diagram or ecu pinout

[strayman]

hello i have a rs6 c6 with big turbos and methanol kit, i am installing a hks external turbo pressure regulator and i need to find the rpm cable in the ecu
Can someone help me with that task or has someone installed something similar?
From already thank you very much

[IanH755]

Here is a link to the wiring diagrams for the Engine, you want Diagram No 109/12 for the G28 sensor to the ECU - https://www.ianhenshall.com/C6_RS6_Engi ... agrams.pdf