You need a plug from the ae92sx corolla or gti corolla.. If you are cutting one out grab the FOC relay and plugs too, as it'll make wiring your fuel pump real easy...
As for the pinouts, rip the lid off the ecu, and it'll be printed on the circuit board as to what pin is what.
but summary
b - 12v constant
b+ - 12v ingnition (is 2 of them)
w - Check engine light
spd - output of speedo into ecu
The ones in bold are all you need to start it, but if you want it to run good hook up all of them.
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