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g4x gtr plugin ecu aux outputs


gav1
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Hi,

  i have a g4x plugin ecu in an r33 gtr and i am wanting to operate a nitrous solenoid to spool the turbo  and  separatly i want to switch on a relay to activate an electric pressure switch for my accusump under certain conditions (low pressure at high rpm)

I see i can use aux 11 via the expansion pin 16 for 1 of them but what are my options to run the 2nd? i can't see much more free on the pinout diagram i have here,. could i use one of the fuel pump speed output pins(aux2) as an aux output if its not needed  ?

are aux 5 ,9 , 10 , 12 ,13, 14, 15, 16 not available on this ecu or am i misunderstanding?

 

many thanks

 

 

 

 

 

 

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Yes you can use Aux 1 or 2 if you are not using the factory multispeed fuel pump controller.  You also have Ign 7, Ign 8 and Aux 11 on the expansion.  

Personally I would leave the accusump valve open all the time the engine is running, then it tries to keep the oil pressure constant. Waiting until you have seen low pressure before opening the valve is not ideal.  

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