Not Ranked
I think I understand the question (or maybe not).
The Current sensing switch is an normally off(open) switch. As current flows thru (used by the fan motor) it closes at a preset amperage. The one I posted is adjustable. The Current switch has a X1 post, where you can hook a local -neg or +Pos to and also an X2 post that will continue the +power or -gnd to the LED indicator once the switch closes. Basically giving you a remote indication that the motor is using electricity.
Tapping into the feed and sending it to the the LED only tells you the power is available but not if the Fan motor is working.
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