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ECU Hold Power Wiring


Dochka

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Hi,

Wanna enable this function in order for the Idle Stepper Motor to reset correctly,

My question is about how to wire the Digital Input & the Auxiliary Output ;

Is the Digital Input wired to a positive Ignition Switch signal ? as per the Wiring Diagram ?

And where the Auxiliary Output goes ? To what side of the Main Relay ?

 

Thank You

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13 hours ago, Simon said:

image.pngFollow this diagram and all will work.

 

I did check that,

But were afraid of feeding +12V to the digital input from the ignition switch,

Shouldn't the Digital Input be fed Ground ?

Thank You

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No, its fine with ignition switched live, once configured correctly, the ECU will initially power up through the diode on the DI.  You can safely put 12 Volts to any DI, it will register the ignition switch off at about 1 Volt and start the hold power timer.

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