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'85 was a "crossover" year, first year with EFI, so they didn't fully implement the diagnostic connector yet into one place.
By "hand held code reader" I believe you may be talking about an OBD-II reader. These type of connectors didn't show up on US vehicles until 1996.
I guess I will find out what connectors I have to cross to get it to flash. I assume there isn't a way to get it to flash with just turning the ignition on and off like on other trucks is there?
'85 was a "crossover" year, first year with EFI, so they didn't fully implement the diagnostic connector yet into one place.