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What happens when you jump start your car?

When you jump-start a car, you use an external power source to provide a electrical charge to a vehicle's battery, which allows it to start. This process typically involves connecting the positive and negative terminals of a working battery (or portable jump starter) to the corresponding terminals on the dead battery in the non-functioning car. This connection creates a circuit that enables the flow of electricity from the working battery to the dead battery, boosting its charge.

Here are the steps involved in jump-starting a car:

1. Park the working car close to the non-functioning car, ensuring that they are not touching.

2. Turn off the engines of both cars.

3. Open the hoods of both vehicles to access the batteries.

4. Identify the positive and negative terminals on both batteries. The positive terminal is usually marked with a "+," and the negative terminal is marked with a "-."

5. Connect one end of the red (positive) jumper cable to the positive terminal of the dead battery and the other end to the positive terminal of the working battery.

6. Connect one end of the black (negative) jumper cable to the negative terminal of the working battery and the other end to an unpainted metal surface on the non-functioning car, such as the engine block or frame, ensuring it does not touch any moving parts.

7. Start the working car and let it run for a few minutes to charge the dead battery.

8. Attempt to start the non-functioning car.

9. If successful, leave it running for a while to allow its battery to recharge.

10. Disconnect the jumper cables in the reverse order of connection: negative cable first, then positive cable.

11. Close the hoods of both cars.

Remember, jump-starting a car is a temporary solution, and the depleted battery may need to be recharged or replaced to ensure the vehicle functions properly. It's important to have the battery checked by a professional mechanic or automotive specialist to determine its condition and address any underlying issues.