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$600 + PP shipped.
DIYAutoTune MSPNP2 for 94-95.
I think with internal jumper settings it can work on 90-93 as the board says 90-95 and it has jumpers specific to 90-93 vs 94-95 year cars. It might also be able to jumper to 96-97 as the center connector does have signals from the board, but I'm not sure.
I have run it with 3 or 4 wire ignition coils and did need to install an internal jumper for TACHOUT to work on a 94/95 car with 3 wire coils. (Didn't need to have a resistor in the diagnostics box after this)
Includes pictured items:
MSPNP2 ECU
DB15 options pigtail
FTDI USB serial adapter for connecting to PC
Serial cable extension
IAT Connector with about 5ft of wiring/sleeve. (NO IAT SENSOR)