IEC-approved controls conform to standards which have brought them a reputation for compactness and affordability. Controls rated by NEMA, while considered less streamlined, are generally perceived by users to be more reliable.
A resistor is an electrical item/unit that takes a pre-determined voltage & controls the output to various voltages. A relay is an electrical switch
not sure
what sensor controls the fuel relay
I think aux relay is part of relay
They seem to be the same thing. Such a device is a protective relay. It uses a microprocessor to analyze power system voltages, currents or other process quantities for the purpose of detecting faults in an industrial process system.
They are the same relay.
A relay is a switch - a solenoid produces a magnetic field.
The difference is the relay operation.Normally opened or normally closed.If you add an external spdt relay,you could have a humidistat/dehumidistat.
Under the dash between the console and the heater controls.
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The head light relay should be marked in the relay centre.
The engine computer controlls the relay.