Automotive electrical relay simple check! feat.singsingprobe

When the singsingprobe make beep sounds, the relay is On. When it goes off, it is Off.
Since the relay is not driven by pulses like an fuel injector or ignition coil, but is driven on and off, the singsingprobe must be turned to the side and shaken.
Singsingprobe shopping link
gauto1.cafe24.... /32/display/1/

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