Does Revving Engine Help Jump Car?

When your car battery dies, you may be tempted to rev the engine of the donor car to help jump-start your car. However, this is not a good idea. In fact, it can actually do more harm than good.

Why Revving the Engine Doesn’t Help

When you rev the engine of the donor car, you are increasing the speed at which the alternator is turning. This causes the alternator to produce more electricity, which can help to jump-start your car. However, it also puts more stress on the alternator and can cause it to overheat or fail.

In addition, revving the engine can also cause the donor car’s battery to discharge more quickly. This can make it more difficult to jump-start your car and can even damage the donor car’s battery.

What to Do Instead

If your car battery dies, the best thing to do is to use a jumper cable to connect the battery to the battery of another car. This will allow the other car’s battery to provide the power needed to start your car.

Here are the steps on how to jump-start a car:

1. Park the donor car close to your car, but do not touch the two cars.
2. Turn off the engines of both cars.
3. Open the hoods of both cars.
4. Locate the positive terminals on both batteries. They will be marked with a “+” symbol.
5. Connect one end of a jumper cable to the positive terminal on the donor car’s battery.
6. Connect the other end of the jumper cable to the positive terminal on your car’s battery.
7. Locate the negative terminals on both batteries. They will be marked with a “-” symbol.
8. Connect one end of another jumper cable to the negative terminal on the donor car’s battery.
9. Connect the other end of the jumper cable to a metal surface on your car’s engine block.
10. Start the donor car.
11. Wait a few minutes for the donor car’s battery to charge your car’s battery.
12. Start your car.
13. Disconnect the jumper cables in the reverse order that you connected them.

Once your car is started, you can drive it for a while to recharge the battery. You should also have your car’s battery tested to make sure that it is still in good condition.

Conclusion

Revving the engine of the donor car does not help to jump-start your car. In fact, it can actually do more harm than good. The best way to jump-start a car is to use a jumper cable to connect the battery to the battery of another car.