How do you test a pickup coil?

Answer 1

without more information regarding make, model and engine we are working on, it will be impossible to answer this question specifically, however, there is a generic answer that may help. A pick-up coil, technically known as a stator, provides a low-voltage digital on-off signal to the ignition control module where it is interpreted as an RPM signal, also called PIP or profile ignition pick-up. The ignition module uses that info to decide when to fire the ignition coil. This signal from the pick-up is most likely a ground signal, but I suppose some systems might switch the positive on and off. You will have to use a special low-voltage test light(a regular 12 volt test light will not do), find the signal output wire from the pick-up, and measure the output while the engine is being cranked. You should see an on-off pulse indicated by the light blinking on and off. Remember, this is providing the stator has it's power supply and ground needed to operate, and that the distributer is turning as needed while the engine is being cranked.

Answer 2

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