The PCM connector has a sticker on it that looks like this:
The XLE4 type number is what I need. Being a 97 PCM, it should read FOU1 or something like that. It will ALWAYS be 3 letters followed by 1 number. I can also use the part number (in this case, F81F-12A650-BF) to identify the PCM.
Let me know what you can come up with on that.
In regards to the PATS, if the PCM is NOT a PATS enabled PCM, then it is NOT the reason the truck won't start... despite the blinking THEFT light. As I mentioned, the PCM has final say on THEFT mode. All the blinking light tells you at this point is that the PATS module is unable to communicate with the PCM.
If this guy won't listen to you, maybe he'll listen to one of us. I don't want to tell anyone how to do your job, but there are those of us who have been around this block a few times. There's no shame in getting help and hopefully he won't let his ego get in the way of getting your truck up and running. Dan has already done the swap and I have done so many one-off mods over the last dozen or so years that it's not even funny.
Good luck!
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