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Ecu hold power (alternate wiring?)


Lotussuper7

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No, its not going to work.  To power up the ecu it needs 12V on pin A5, in your diagram that wouldnt happen.  Normally the diode is between A5 and the DI, so when you first switch power on it goes through the diode into A5 to power up the ECU - then the ecu an switch on the aux to close the main relay.  

Secondly, your diagram would also cause a back feed as the aux output has constant 12V on it all the time.  

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