If you are running RealDash on same computer with the game, see this post first:
Localhost connections on Windows 10/11 - General / Bugs and troubleshooting - RealDash Forum
- Connect device running RealDash into same local network where game is running.
- Find your RealDash device’s IP address.
- Open file “\cfg.txt” with notepad.
- Find line “OutGauge Mode 0”
- Edit that line and few lines below it using following example:
OutGauge Mode 1
OutGauge Delay 1
OutGauge IP
OutGauge Port 9996 - Save the file.
- Set the same port (9996) into RealDash connection settings.
After setting the correct port in RealDash connection settings, game should send you car data when the race starts.