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Wrx104+ ecu


neil brown

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The main issue I see is differences in how the main relay is controlled.  In the Early chassis the ECU sends 12V out to the main relay to enable it when the ign sw signal is received.  In the later car the ecu grounds the main relay to enable.  This is all done with hardware circuits on the adapter board.  So you would really need to add a bit of extra stuff in to control the main relay.  

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