Automotive Electrical systems lab quiz 6
UPDATED ACTUAL Exam Questions and
CORRECT Answers
A technician connects one lead of a digital voltmeter to the positive (+) terminal of the battery
and the other meter lead to the battery terminal (B) of the starter solenoid and then cranks the
engine. During cranking, the voltmeter displays a reading of 878 mV. Technician A says that this
reading indicates that the positive battery cable has excessively high resistance. Technician B
says that this reading indicates that the starter is defective. Which technician is correct?
Technician A
Technician B
Both A & B
Neither A nor B - CORRECT ANSWER - Technician A
A vehicle's starter motor is drawing excessive current. Technician A says this could be caused by
bad bushings in the motor causing the armature to drag. Technician B says this could be caused
by high resistance in a battery cable. Who is correct?
Technician A
Techncian B
Both A & B
Neither A nor B - CORRECT ANSWER - Techncian B
Both A & B
A vehicle does not crank when the ignition switch is placed in the start position. The headlamps
remain bright during this test. Technician A says the neutral safety switch may be open
preventing starter engagement. Technician B says the starter motor may be open due to worn
brushes on its commutator. Who is correct?
Technician A
UPDATED ACTUAL Exam Questions and
CORRECT Answers
A technician connects one lead of a digital voltmeter to the positive (+) terminal of the battery
and the other meter lead to the battery terminal (B) of the starter solenoid and then cranks the
engine. During cranking, the voltmeter displays a reading of 878 mV. Technician A says that this
reading indicates that the positive battery cable has excessively high resistance. Technician B
says that this reading indicates that the starter is defective. Which technician is correct?
Technician A
Technician B
Both A & B
Neither A nor B - CORRECT ANSWER - Technician A
A vehicle's starter motor is drawing excessive current. Technician A says this could be caused by
bad bushings in the motor causing the armature to drag. Technician B says this could be caused
by high resistance in a battery cable. Who is correct?
Technician A
Techncian B
Both A & B
Neither A nor B - CORRECT ANSWER - Techncian B
Both A & B
A vehicle does not crank when the ignition switch is placed in the start position. The headlamps
remain bright during this test. Technician A says the neutral safety switch may be open
preventing starter engagement. Technician B says the starter motor may be open due to worn
brushes on its commutator. Who is correct?
Technician A
