Sorry this is such a late reply.
I'm pretty sure that condenser is a capacitor. I don't believe it is required. Yes you can run the wires that would go to the stock S15 ECU into an AEM EMS.
I'm pretty sure that condenser is a capacitor. I don't believe it is required. Yes you can run the wires that would go to the stock S15 ECU into an AEM EMS.