A truck's dash lights flicker intermittently while driving. Technician A says this could be caused by a loose battery connection. Technician B says this could be caused by a faulty alternator. Who is right?

Question

TheoryPractice · Accepted Answer

Both A and B. Both technicians are correct. A loose battery connection can cause voltage fluctuations in the electrical system, resulting in flickering lights. Similarly, a faulty alternator that produces inconsistent output voltage would cause the same symptom.

A truck's dash lights flicker intermittently while driving. Technician A says this could be caused by a loose battery connection. Technician B says this could be caused by a faulty alternator. Who is right?

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