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Both headlights on a vehicle are dim in high beam and normal in low beam. Technician A says that a poor headlight ground could be the cause. Technician B says that a shorted headlight switch could be the cause. Who is right? (A) A only (C) Both A and B

(B) B only (D) Neither A nor B

User Kiandra
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Final answer:

Both technicians A and B could be correct as a poor headlight ground or a shorted headlight switch could cause vehicle headlights to be dim in high beams and normal in low beams. The correct option in the final answer is (C) Both A and B.

Step-by-step explanation:

When analyzing vehicle headlight issues, it's important to consider various components of the electrical system. If both headlights on a vehicle are dim in high beam and normal in low beam, Technician A suggests that a poor headlight ground could be the cause, while Technician B suggests that a shorted headlight switch could be the cause.

Poor grounding could result in insufficient power being delivered to the headlights, causing them to appear dimmer than they should be. This can affect the high beam setting if the circuitry is more sensitive to resistance changes at that setting. On the other hand, a shorted headlight switch might not be able to handle the additional current required for high beam operation, leading to inadequate power and dim headlights.

Taking into account the possible causes cited by both technicians, the correct option in the final answer is (C) Both A and B because either situation could provide a plausible explanation for the symptoms described, though further testing would be necessary to identify the specific cause in this scenario.

User Matthiasgiger
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