I've got a manual P28 ecu and a Yonaka OBD2B to OBD1 Harness. Got this out of a B16 99 I bought and quickly traded. Was not running on it at the time, just found it stuffed under the seat while cleaning. No use for it. Case has spotting on it, but insides look perfect.
$80 on the P28. $50 for the harness.

Pm or txt me at 256-548-2937

I'm located in Bryant, AL so willing to ship.
Can possibly meet in Chattanooga, TN. I'm about 45min away.