Knock (2-wire) sensors

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    cameron76
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      My question is elementary. It is about 2 wire sensors in general. If the PCM sends 5v down to the sensor but the sensor produces its own voltage, how does the “mix” of voltages work. I know inductive sensors probably work the same way. I have tried to find another video that explains it. Could you point me in the right direction Matt? Thank you. Love the channel by the way.

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