OBD-II ports integrated into LS swap wiring allow real-time scanning, data logging, and tuning

https://www.reddit.com/r/LSSwapTheWorld/comments/1i7fmqj/wiring_harness/

OBD-II ports integrated into LS swap wiring allow real-time scanning, data logging, and tuning, making troubleshooting easier during initial fire-up and road testing.