Automotive Electrical

A customer complains that the right turn signal is inoperative but the left works correctly. What is the most likely cause?

• An open wire in the right turn signal circuit

• A defective turn signal flasher

• A blown right turn signal bulb

• A short to ground in the right turn signal circuit

The customer complains of a squealing noise coming from under the hood of the vehicle when it is first started. The technician has determined that the noise is coming from the alternator belt. What should be the next step?

• Replace the battery

• Replace the alternator

• Replace the belt

• Check the condition of the belt

A fully charged 12-volt automotive battery should have an open-circuit voltage of:

• 12.0 volts

• 12.3 volts

• 12.6 volts

• 14.6 volts

Which is best suited for fully charging a completely discharged 12-volt battery?

• Charge the battery for at least 1 hour by idling the engine

• Charge the battery for at least 30 minutes by racing the vehicle's engine

• Slow charge for 12 hours

• Fast charge for 30 minutes

When one uses a VAT to test the alternator output, the green inductive pickup should be placed around which cable, with the arrow pointing away from the battery?

• Positive battery cable

• Alternator battery cable

• Starter positive cable

• Negative battery cable

A battery state-of-charge test may be performed using a:

• DVOM

• Test light

• Continuity tester

• Fused jumper wire

The left front park light is not working. All of the following could be the problem except:

• bad bulb

• bad ground

• bad light socket

• bad switch

When charging the 12-volt auxiliary battery of a hybrid vehicle, all of these precautions should be observed except:

• Charging the battery at a fast rate of charge

• Turning all accessories off

• First, correcting any parasitic drain problems

• Never charging the 12-volt auxiliary battery with the hybrid system turned on

Which part of the electrical system is designed to keep the circuit from being destroyed in case of a short?

• bulb

• fuse

• sensor

• wire

What supplies electrical power to the vehicle while the engine is running?

• ABS module

• alternator

• computer

• starter