help with data link adapters and codes

[Midland]

Yes, I have never tracked down the dash wanting to light up all on its own, though it always performed about the same. My most likely guess (and its a guess) is that something from the wrecked wire harness was damaged and I didn't catch it as I rebuilt it. ABS is on the passenger side and cab controller on the left side. Lots of wires going across there where there was substantial cab damage. Guess now is the time