A taillight bulb is glowing dimly. A voltmeter placed across the bulb reads 4 volts. Technician A says there may be excessive resistance in the ground circuit. Technician B says there may be excessive resistance in the power feed circuit. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B
Answer: C
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