How To Jump Start A Car, How To Jump Start A Car [Complete Guide], KevweAuto

How To Jump Start A Car [Complete Guide]

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Have you ever been in a situation where you turn the key in your car’s ignition only to hear that dreadful sound of a dead battery? A dead car battery is a common problem that can happen to anyone. If you’re stuck on the side of the road with a dead battery, don’t panic. Learning how to jump-start a car can be a valuable skill that saves you from being stranded and helps you get back on the road quickly.

Jump-starting a car might seem intimidating, but it’s simpler than you think. Many car owners often find it difficult to jump-start their car, even when they are stranded. They seem to look for the help of a roadside mechanic, and this is something you can actually do if they have all the necessary requirements in place to put the car in order.

Gather The Necessary Supplies

Before attempting to jump-start a car, there are a few must-have supplies. Having these items on hand will make the process faster and safer.

  • Jumper cables, also known as jump leads, have clamp connectors on each end that attach the dead battery to the live battery. Select a set that is 8 to 10 feet long. The clamps should be made of copper-coated metal.
  • A car with a charged battery—this is called the donor car. It needs a charged 12-volt battery powerful enough to jump-start the dead battery.
  • Safety glasses: Wearing eye protection prevents injury if any battery acid sprays when making connections.
  • Gloves: Insulated gloves help protect your hands from electrical shocks and battery acid.
  • A damp rag: After disconnecting the jumper cables, use the rag to wipe away any acid residue left on the battery terminals.
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Steps To Jump Start Your Car

How To Jump Start A Car, How To Jump Start A Car [Complete Guide], KevweAuto

Below are the steps on how to jump-start a car in no time. I’ll also provide some safety tips to help you avoid any accidents while jump-starting.

Step 1: Park the cars close together.

Once you locate the batteries, park the cars close enough so the jumper cables reach them, but do not allow the vehicles to make contact.

Turn the ignition and all electrical accessories off in both vehicles. This prevents sparks while the jump starts.

Engage the parking brakes and put an automatic transmission in park or a manual in neutral.

Step 2: Turn off all electrical devices.

All electrical devices in both cars should be checked and turned off during this process in order to prevent fuses from getting burned and also help prevent sparks from causing fire. Electric devices that should be turned off include the headlights, radio, and air conditioning.

Step 3: Connect the jumper cables.

Connect the jumper cables in the following order:

Connect the red clamp on one end of the jumper cables to the positive (+) terminal of the dead battery.

Connect the other red clamp on the jumper cables to the positive (+) terminal of the working battery.

Connect the black clamp on the jumper cables to the negative (+) terminal of the working battery.

Connect the other black clamp on the jumper cables to a metal part of the dead car’s chassis that is not touching the battery.

Step 4: Start the working car.

How To Jump Start A Car, How To Jump Start A Car [Complete Guide], KevweAuto

Start the working car and let it run for a few minutes. This will help charge the dead battery.

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Step 5: Try to start the dead car.

Once the working car has been running for a few minutes, try to start the dead car. If the dead car starts, let it run for a few more minutes before driving away.

Step 6: Disconnect the jumper cables.

In the reverse order that you connected them, carefully disconnect the jumper cables and avoid contact with metals to prevent sparks.

Steps To Start A Dead Car Battery Without A Jumper Cable

If you are stranded on the road, and you’ve got a charged battery to start your car with, you can actually do it yourself by carrying out the following steps:

Step 1: Locate the battery where it is situated in your car.

Step 2: Differentiate between the positive (+) cable and the negative (-) cable.

Step 3: Then, with the aid of a wrench, untighten the nuts that hold the battery firmly on the seat and also the nut that holds the positive and negative cables to the battery. Carefully do that to prevent the nut from being worn out.

Step 4: Carefully remove the dead battery from where it was placed.

Step 5: Then replace the charged battery.

Step 6: Connect the positive (+) cable and the negative (-) cable to their rightful positions.

Step 7: Start the car and allow it to warm up for a few minutes, then replace the dead battery.

Step 8: While carrying out step 7, avoid touching positive cable (+) and negative cable (-) or  having contact with anything that can cause sparks.

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Step 9: Tighten up the nuts and the hanger holding the battery.

With the above-provided guidelines, you should be able to fix issues like this in distress, either as a car owner, a driver, or a car specialist.

Safety Tips

  • Always wear safety glasses when working with batteries.
  • Be careful not to touch the exposed metal parts of the jumper cables together. This could cause a spark and start a fire.
  • Do not smoke or allow open flames near the batteries.
  • If the batteries are leaking, do not attempt to jump-start the car.

Additional Tips

How To Jump Start A Car, How To Jump Start A Car [Complete Guide], KevweAuto
  • If you don’t have jumper cables, you can call a roadside assistance service or a tow truck.
  • If you’re in a cold climate, you may need to warm up the working car for a few minutes before trying to start the dead one.
  • If the dead car doesn’t start after a few tries, you may need to have the battery tested or replaced.

I hope this article has been helpful. If you have any questions, please feel free to leave a comment below.


Jump-starting a car may seem daunting, but with the knowledge and confidence gained from this guide, you’ll be ready to handle such situations like a pro. Remember, practice makes perfect, so it’s a good idea to rehearse the jump-starting process with a friend before encountering a real-life emergency. By mastering this skill, you’ll not only save time and money but also lend a helping hand to someone in need. So, get equipped, stay safe, and hit the road with confidence!

Ejenakevwe Samuel

I'm Ejenakevwe Samuel, and my blog is all about sharing the love for cars. Through my blog, I pour my heart into educating fellow car enthusiasts in everything they need to know about their beloved rides. Whether it's driving tips, maintenance tricks, or the latest trends, I aim to empower others to make informed decisions and take care of their vehicles like a pro.

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