The high beam indicator on the dash does not come on but both headlight beams work. Technician A says that the indicator bulb could be defective. Technician B says the dimmer switch could be defective. Which technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B
Ans: a. Technician A only
Explanation: Technician A only is correct because the bulb will not light if it is burned out and yet the high beam will function correctly. Technician B is not correct because the high beam functions correctly, which indicates that the dimmer switch is able to switch to the high beam position. Answers c and d are not correct because Technician A only is correct.
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