Expedition 4WD V8-4.6L SOHC VIN W (1999)
Starter Solenoid: Description and Operation
The starter solenoid:
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is an electromagnet.
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engages the starter drive to the flywheel.
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when energized, the contacts close, connecting the battery to the starter motor. This causes the starter motor to turn the starter drive.
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is kept in the energized condition by a hold-in winding until the starter switch is released.
When the ignition switch is turned to the START position, the starter motor solenoid relay switch is energized, connecting the battery to the starter
solenoid. The starter solenoid moves the drive lever and pin to engage the starter drive with the flywheel ring gear and connects the battery to the starter
motor.
