Heavy Duty Equipment Technician Red Seal Exam Prep · Question
Which of the following is the primary function of the starter solenoid?
The starter solenoid has two main functions: to move the starter drive pinion into mesh with the engine's flywheel ring gear, and to act as a high-current switc
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Question: Which of the following is the primary function of the starter solenoid?
Answer options:
- To supply continuous low-voltage power to the starter motor. ✅ To engage the starter motor drive with the engine flywheel and complete the high-current circuit to the motor.
- To prevent the starter motor from over-spinning.
- To regulate the speed of the starter motor during cranking.
Correct answer: To engage the starter motor drive with the engine flywheel and complete the high-current circuit to the motor.
Explanation: The starter solenoid has two main functions: to move the starter drive pinion into mesh with the engine's flywheel ring gear, and to act as a high-current switch, completing the circuit between the battery and the starter motor.
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