67 twin turbo dart

You need to figure out what analog input the fuel psi is connected to. Use the data log tab at the top. Make sure you are recording that analog input in the Data log Profile editor. After you collect the data, you can open the file with mega log viewer and check out everything that was recorded.
Yeah I've been using the wrong one, insert forehead slap emogi, next time I'm out I'll use that one, I looked at that one and what it logs and it shows fuel pressure, I know its wire spare abc, checked that last night. Thanks for the help.