Quote:
Originally Posted by ford38v8
A solenoid is an electrically operated magnetic switch, used for high voltage draw like the starter motor. It can be operated remotely by a simple pushbutton. They are used on '37 and up. '36 was the last year to use a foot starter switch.
A relay is also a magnetic switch, but is used for smaller devices such as a horn.
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A solenoid is a magnetic switch that performs a mechanical function such as pulling in a starter drive. A magnetic switch or relay performs a electrical function only. Quite often magnetic switches are called solenoids.
Bill