Damn, I must have missed this thread. As far I knew, the only differences are the actual shape of the plugs. I'm not sure if the pin locations are different or not. I would suggest the proper year ECU or swap the harness if that's an easier/cheaper solution.
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Andy - Reinstated
Hybrid Forum Moderator
'06 Subaru Legacy Spec B - Stock, for now
'98 Civic EX - CTR headlights and grill, Kosei K1's, for sale
'90 240SX - SR20DET that will never get installed, project car.