The starter on this vehicle is beyond repair.
The starter has poles located around the circumference of the armature. Both windings of the solenoid are energized. The retracting winding is connected to ground through the starter. The windings of the retracting circuit together create an electromagnetic field to retract and hold the plunger. The plunger moves the gear arm. This activates the starter drive, causing the starter pinion to mesh with the engine flywheel ring gear. At the same time, the movement of the plunger closes the switch contacts in the starter solenoid, applying full battery voltage directly to the starter motor, causing the engine crankshaft to rotate.
Once the solenoid switch contacts are closed, no current flows through the pull-in winding as battery voltage is applied to both ends of the windings. The hold mode winding remains energized with the electromagnetic field strong enough to hold the plunger, actuating lever, starter actuating mechanism, and solenoid switch contacts in place to continue turning the engine crankshaft. After the engine starts, the overrunning gear overrunning clutch protects the starter armature from overspeed until the ignition switch is opened.
After the ignition switch is moved out of the start position, the starter relay opens and battery voltage is no longer supplied to the starter solenoid. Current is supplied from the starter contacts through both windings to ground at the end of the pull-in winding. In this case, the direction of current flow through the retracting winding changes to the opposite of that which was when the winding was first energized. This, along with the action of the starter return spring, will disengage the starter drive and simultaneously open the solenoid switch contacts, de-energizing the starter circuit.
When the ignition switch is moved to the start position, a discrete signal is sent to the body control module, notifying it that the appropriate ignition mode has been entered. The body control unit sends a message to the engine control unit, notifying that the engine crankshaft has begun to rotate with the starter. The engine control module checks the park/neutral position of the transmission, and then, if this condition is met, applies a voltage of 12 V to the starter relay control circuit. Due to this, battery voltage begins to be supplied through the start relay to the starter solenoid.
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