8/7/25, 10:34 PM ASE A6 - Electrical/Electronic Systems
ASE A6 TEST PREP (ELECTRICAL & ELECTRONIC
SOUNDS) TEST BANK QUESTIONS AND VERIFIED
SOLUTIONS \LATEST UPDATE 2025 -2026
While testing a starting If an engine cranks slowly and the starter current draw is only 90
circuit on a 5.7L V8 engine, amps and the
voltage is as high as 11 volts, the technician should next
the technician finds that the
check for excessive voltage drop in the start motor
engine cranks slowly. The
circuit.
starter current draw is 90
amps, and the battery
voltage while
cranking is 11 volts. What
should the technician do
next?
A. Check voltage drop of the
starter motor circuit
B. Test the battery capacity
C. Replace starter motor,
as a short is indicated
D. Determine condition of the
engine
Technician A says that a The correct answer is C, both technicians are right.
noisy alternator could be Worn alternator bearings and/or a bad alternator
caused by a bad diode. diode will cause the alternator to be noisy.
Technician B says that a noisy
alternator
could be caused by a worn
bearing. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
/ 1/21
,8/7/25, 10:34 PM ASE A6 - Electrical/Electronic Systems
A vehicle's turn signals flash The correct answer is C, both technicians are right. Both
too slowly. Technician A an improperly rated flasher and an incorrect wattage
claims that the condition bulb can cause the turn signals to flash at incorrect
could be caused by a intervals.
faulty flasher.
Technician B says that a bulb
may be the wrong type.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
Technician A says a short The correct answer is C, both technicians are right. A
circuit to ground in a circuit short to ground has little or no resistance. Current
will decrease resistance. flow increases as resistance decreases.
Technician B says a short
circuit will increase current
flow. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
When using a voltmeter to The correct answer is A. A voltmeter should first be
check for used to see if the circuit is getting power before
voltage in a circuit, the
during further tests.
voltmeter should first be
connected to check for:
A. source voltage.
B. excessive resistance
C. excessive amperage.
D. a good ground.
When checking the green The correct answer is A. If the so-called "green eye" is
eye of a sealed not visible, the green tip of the built-in hydrometer is
maintenance-free battery, not floating high enough in the electrolyte to be visible.
no color seen A fully charged battery will cause the built-in
indicates that the battery is: hydrometer to float to the top of the
A. undercharged. electrolyte and allow the green tip of it to be seen.
B. charged properly.
C. overcharged.
D. damaged.
/ 2/21
, 8/7/25, 10:34 PM ASE A6 - Electrical/Electronic Systems
Both headlights on a The correct answer is D, neither technician is right. A
vehicle are dim on high poor headlight ground would cause both the high and
beam but are normal on low low beam lights to be dim. A shorted headlight
beam. Technician A says switch would only cause the headlights to operate
that a poor headlight incorrectly or not at all.
ground could be the cause.
Technician B
says that a shorted headlight
switch could be the cause.
Who Is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
The oil pressure light on a The correct answer is A. Since voltage is supplied to the
vehicle indicator light when the ignition switch is on, the
dashboard stays on
indicator light will normally light when the oil pressure
whenever the engine is
switch supplies a ground to complete the circuit. If a
running. The oil pressure
short to ground occurs
has been checked with a
between the indicator light and the oil pressure switch,
mechanical gauge and s
the light will be on whenever the ignition switch is in
within
the ON position. An open switch prevents the light
specification. Technician A
says that the from
circuit between the indicator coming on.
light and the pressure
switch could be grounded.
Technician B says that an open
in the
pressure switch itself could
be the cause. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
/ 3/21
ASE A6 TEST PREP (ELECTRICAL & ELECTRONIC
SOUNDS) TEST BANK QUESTIONS AND VERIFIED
SOLUTIONS \LATEST UPDATE 2025 -2026
While testing a starting If an engine cranks slowly and the starter current draw is only 90
circuit on a 5.7L V8 engine, amps and the
voltage is as high as 11 volts, the technician should next
the technician finds that the
check for excessive voltage drop in the start motor
engine cranks slowly. The
circuit.
starter current draw is 90
amps, and the battery
voltage while
cranking is 11 volts. What
should the technician do
next?
A. Check voltage drop of the
starter motor circuit
B. Test the battery capacity
C. Replace starter motor,
as a short is indicated
D. Determine condition of the
engine
Technician A says that a The correct answer is C, both technicians are right.
noisy alternator could be Worn alternator bearings and/or a bad alternator
caused by a bad diode. diode will cause the alternator to be noisy.
Technician B says that a noisy
alternator
could be caused by a worn
bearing. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
/ 1/21
,8/7/25, 10:34 PM ASE A6 - Electrical/Electronic Systems
A vehicle's turn signals flash The correct answer is C, both technicians are right. Both
too slowly. Technician A an improperly rated flasher and an incorrect wattage
claims that the condition bulb can cause the turn signals to flash at incorrect
could be caused by a intervals.
faulty flasher.
Technician B says that a bulb
may be the wrong type.
Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
Technician A says a short The correct answer is C, both technicians are right. A
circuit to ground in a circuit short to ground has little or no resistance. Current
will decrease resistance. flow increases as resistance decreases.
Technician B says a short
circuit will increase current
flow. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
When using a voltmeter to The correct answer is A. A voltmeter should first be
check for used to see if the circuit is getting power before
voltage in a circuit, the
during further tests.
voltmeter should first be
connected to check for:
A. source voltage.
B. excessive resistance
C. excessive amperage.
D. a good ground.
When checking the green The correct answer is A. If the so-called "green eye" is
eye of a sealed not visible, the green tip of the built-in hydrometer is
maintenance-free battery, not floating high enough in the electrolyte to be visible.
no color seen A fully charged battery will cause the built-in
indicates that the battery is: hydrometer to float to the top of the
A. undercharged. electrolyte and allow the green tip of it to be seen.
B. charged properly.
C. overcharged.
D. damaged.
/ 2/21
, 8/7/25, 10:34 PM ASE A6 - Electrical/Electronic Systems
Both headlights on a The correct answer is D, neither technician is right. A
vehicle are dim on high poor headlight ground would cause both the high and
beam but are normal on low low beam lights to be dim. A shorted headlight
beam. Technician A says switch would only cause the headlights to operate
that a poor headlight incorrectly or not at all.
ground could be the cause.
Technician B
says that a shorted headlight
switch could be the cause.
Who Is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
The oil pressure light on a The correct answer is A. Since voltage is supplied to the
vehicle indicator light when the ignition switch is on, the
dashboard stays on
indicator light will normally light when the oil pressure
whenever the engine is
switch supplies a ground to complete the circuit. If a
running. The oil pressure
short to ground occurs
has been checked with a
between the indicator light and the oil pressure switch,
mechanical gauge and s
the light will be on whenever the ignition switch is in
within
the ON position. An open switch prevents the light
specification. Technician A
says that the from
circuit between the indicator coming on.
light and the pressure
switch could be grounded.
Technician B says that an open
in the
pressure switch itself could
be the cause. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
/ 3/21
