MartinT Posted February 22 Report Share Posted February 22 Hello, I have problems with the aux outlet when I want to control the fuel pump. I use earth as a signal to the fuel relay. But when I turn off the switch to the Ecu. Then the fuel pump starts again. The signal switches to ground when the Ecu turns of. Any settings to change that? Quote Link to comment Share on other sites More sharing options...
Vaughan Posted February 22 Report Share Posted February 22 Either change the hotside feed to the relay trigger to an ignition switch supply or use a spare Ignition or Injection pin instead of a normal Aux pin to trigger the relay. Aux pins backfeed when fed power while the ECU is off. Toona 1 Quote Link to comment Share on other sites More sharing options...
MartinT Posted February 23 Author Report Share Posted February 23 Thank you, i will try that Quote Link to comment Share on other sites More sharing options...
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