when checking for power supply to injector should the power pulse or is there a constant supply and a pulsing supply

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when checking for power supply to injector should the power pulse or is there a constant supply and a pulsing supply

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OBDIITech · Answer 1 · 2018-02-21T06:48:46+0000

One wire is power all the time and the other, the other wire is the ground and is controlled by the ECM. If you check both wire you will see a pulse signal.

when checking for power supply to injector should the power pulse or is there a constant supply and a pulsing supply

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