Basics
What provides the electrical power to start a car?
The car battery.
What should be turned off before boosting a car?
The engine and all electrical accessories.
What tool is needed to boost a car using another vehicle?
Jumper cables.
Which cable is connected first?
The positive (red) cable.
A car clicks but won’t start. What is the likely issue?
A weak or dead battery.
How many volts does a standard car battery produce?
12 volts.
Why should jumper cables never touch each other?
They can cause sparks or a short circuit.
What device can boost a car without another vehicle?
A portable jump starter.
Where is the positive cable connected on the dead car?
The positive battery terminal.
The car starts but stalls immediately. What might be wrong?
A severely discharged battery or charging issue.
What car component recharges the battery while driving?
The alternator.
Where should you stand when starting the boosted car?
Away from the battery.
Which cable color connects to the positive terminal?
Red.
Where should the final negative cable be attached?
An unpainted metal surface on the engine block.
Why should you drive for at least 20 minutes after boosting?
To recharge the battery.
What happens to battery performance in cold weather?
Battery power is reduced.
What should you do if battery acid is leaking?
Do not boost the car; stop and seek professional help.
What symbol identifies the positive battery terminal?
A plus sign (+).
What should you do after the car starts but before removing cables?
Let the engine run for a few minutes.
What should you do if the car needs frequent boosts?
Replace the battery or check the charging system.
How long does a typical car battery last?
About 3–5 years.
Why should metal jewelry be removed before boosting a car?
To prevent burns or electrical shock.
Why should jumper cables be thick and insulated?
To safely carry high electrical current.
In what order should jumper cables be removed?
In the reverse order of connection.
Why might boosting fail even with correct connections?
A faulty battery, alternator, or starter.