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A: A switch is either on [ short] or off [ open ] Therefore when on there is practically no potential difference
---o-----o----- is a closed switch / / ---------o o------ is an open switch
When a switch is 'open' that means it is in the 'off' position. 'Closed' means 'on'.
The switch would be open.
The device is called a switch.
An open switch in a circuit will stop all current flow so the ammeter should read zero amps.
A: A switch is either on [ short] or off [ open ] Therefore when on there is practically no potential difference
That will depend on the setting of the meter switch and the circuit connected to the component (if there is one).
there should be a switch on the dash that overrides the courtesy lights, check the drivers manual.
If the switch is open, current does not flow.
Either the trunk is open, or the trunk ajar switch has failed.
open switch symbol
---o-----o----- is a closed switch / / ---------o o------ is an open switch
voltage is measured by voltagd drops. When a switch is open/ off there is a voltage difference between one side to the other. when the switch is on there is no drop from one side of the switch to the other. That is normal operation. If switch is on, and you get a voltage reading across the switch, the switch is bad.
It means that the low pressure switch is open. Check the heat pump schematic to see if it is supposed to be an open or closed switch. Schematic electrical drawings are drawn in the de energized position. This means that when there is no voltage applied to the device, this will be the position of relays and contacts.
If the switch is what is keeping the load from turning on, then yes, there is a voltage across the open switch.
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