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Link V5 - Low impedance/High impedance

Daniel Sluiters

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In upgrading the injectors on a ca18det running a version 5 link, does impedance matter? or will the link automatically adjust? The standard ones were 3ohms the new ones are around 19ohms Not keen burn out the brand new ones so thought i would check. Any help / knowledge on this sistuation would be great as we are ready to start the car backup soon. Cheers Daniel

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If the old ones were 3 ohms then they would of had ballast resistors wired.  Chances are that the ballast resisters are a factory part in the vehicle.  They will need to be removed if you fit the new injectors.  High impedance (greater than about 6 ohms) must be driven directly from the ECU with no resistors otherwise they may not open properly.  You can not burn out high impedance injectors, only low impedance ones...

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