HELP! P28 Ecu question using JDM motor/A4 to D6 Wire
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HELP! P28 Ecu question using JDM motor/A4 to D6 Wire
I know you run the wire from A4 to D6 on a JDM motor using USDM P28 chipped ecu to stop the check engine light for no vtec pressure. But my question is does D6 need to be grounded also, if so how? As the USDM vtec pressure has a ground wire. Or does it not matter and that I can just run A4 to D6 without any ground?
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