My GUESS would be that you have a DPC-202 family PCM in that truck. Don't go by what I am guessing, but if you get tuning for that truck, I bet that you will end up with a TDE1 calibration.
The only reason I can see for the PCM not having a sticker on the connector body is that it's possibly a reman. (aftermarket) PCM.
The older powerstrokes (up to 97) have a lot of access to get an inspection mirror down in the hole and look at the numbers.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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