Dude.

No offense, but.. breathe. Calm down, and punctuate. I can barely make head or tail out of this.

I was just able to successfully pull data from the truck whilst it was running!

I'm ashamed to admit that it took me all of a week to get this to happen. At the same time I'm proud to admit that...

Six Shooter, I owe you beer!

I've already got an order laid in for a better cable, but when I read the above, a lightbulb went off.
Got my test harness (two wires to go into the ALDL, one which...

I'm about ready to throw in the towel on this one. I get paid tomorrow, I need my truck running, I'm ready to just throw money at the problem.

Who's got a solution for the 89 1227747 ECU that is...

Well whatever is on that site doesn't appear to be a usable archive. Grrrr...

Thanks pizzaboy, will definitely try that out tonight.

Looks like I have a clone chip and the latest driver update more or less nuked it.

Will verify theory with realterm tonight, but it's looking pretty certain that I'm going to just buy one from...

Thanks for the quick reply.

Baud rate should obviously match between two devices so they can communicate. What does this need to match? The 160 baud aldl streaydoesnt appear trouble be it, and...

Where is this done?

See, this is why I should have kept reading before posting that last ...

Is it possible that my 1989 S10 needs this 10K resistor present and that's why I'm not getting data?

That's for the 8192-baud ECU, right? What about 160-baud?

OK I have a 5.7 V8 using 1227747 ECM , so it's the old 160-baud OBD1 system....

Also have a Max232 and an FT232 unit I've tried to get this working with. With diode and resistor, and without. No...