Electrical

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?

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

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

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?

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

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

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

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

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

A battery load test is being performed. The proper method is to:

A customer requests that his headlights be aimed. Technician A says that most modern cars do not have any adjustments to aim headlights. Technician B says that a way to aim headlights is to use a wall chart. Who is correct?

When determining the proper battery application for a vehicle, what factor(s) should be considered?

Technician A says charging a 12-volt auxiliary battery in a hybrid vehicle may require a special battery charger. Technician B says when replacing the 12-volt battery of a hybrid vehicle, the process is basically the same as servicing any other 12-volt battery. Who is correct?

Which electrical circuit has only one positive and one ground?