I recently bought a 92 Legacy touring wagon, auto with 4eat 500$. It has 229 xxx km (142 xxx miles). I just finished pulling the motor and and almost have the wiring harness out.
So here's my dilemma, just like every other EJ22T to OBD2 swap... electrical.
I cannot afford standalone and would like to wire up the motor, stock, by merging the two wiring harness'. I realize its difficult, but im determined. And I have wiring diagrams for both cars and wiring harness'.
My biggest question is whether i can both ecu's independently, each for select things. As in the 22t's for engine management:
(ignition, crank +cam +o2 +temp +knock +throttle sensors, oil pressure switch, bypass control valve and cpc solenoid) along with every other wires relating to the engine,
and the 97 ecu for the rest:
(SPEED SENSOR, alternator, starter, AC controls, reverse lights) and whatever else is left.
I realize the auto ecu will require slight modification to 1 or 2 pins.. i forget where i read it but im sure i can find it again to verify.
Well im calling it a night, after i add these picture.... (click for larger image)
Interior is ready to have the entire wiring harness removed:
Empty engine bay:
Engine
Turbo:
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