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  • 2 weeks later...
Posted

This is normal. The power travels from the supply and through the injector windings. The ECU supplies the earth when opening the injector. Another thing is most (if not all ) cars with these motors have 12 volts present even when the ignition is switched off. Cheers

Posted

That will normally happen if you try to plug the handcontroller in when the ecu is already powered up

try pluging it in before you turn the key on

Dave

[email protected]

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