The PCM has a couple grounds but most notably the one on the driver's side fender near the hinge spring.
I'd try turning on the key, turning it off, then turning it on again within about 2 seconds. That will give us some ideas.
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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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