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By PSIG
#26456
That's a good setup for testing a trigger wheel and sensor distance. 8-) If you just want to check function, whether on the vehicle or on the bench, just apply power and connect an LED and resistor from the +V wire to the sensor signal pin. Most automotive Hall sensors are open-collector or open-drain, so it will light the LED when something ferrous (wheel tooth, wrench, etc) comes near.

David

Simple connection often by back-probing the connector terminals (no soldering) with an LED and resistor:
Hall Function Test LED.jpg
Hall Function Test LED.jpg (16.85 KiB) Viewed 10774 times

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