How to Jump-Start a Car Dead Battery Using Jumper Cables

How to Jump-Start a Car correctly is easy, but you have to be careful. As the battery is positioned in the engine section, where there may be flammable gases, a spark may extinguish the flames.

How to Jump-Start a Car Dead Battery
How to Jump-Start a Car Dead Battery

A dead battery can be a real worry. However, if you have jumper cables in your car and know how to use them properly, your problem is resolved.

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If your battery is really dead, a fast way to restore it is a quick jumpstart. This simple method takes less than five minutes and needs only a set of jumper cables and another moving car.

If you are not knowledgeable on how to jumpstart a car, or you want a reminder on the ins and outs of doing it securely, here are all the basics to know.

How to Jump-Start a Car Using Jumper Cables Connectors the Right Way

  • First, make sure it’s the battery.

If you try the key and your car does categorically nothing, then there’s a good chance that the battery is dead.

However, if you turn the key and hear the engine turning, then your problem may be something else.

  • Gather the supplies.

“It’s perfect to keep a stash in case of an emergency in your car, comprising of jumper cables and a first aid kit, flashlight, and a spare tire at least.

You may also want to contemplate a jump-start power pack, just in case you do not have another running car close by when you need to jump.

It is an additional safety feature with a power bank dedicated to giving you a boost as a replacement for depending on another vehicle.

How to Jump-Start a Car – Step –by- Step Guide Using Jumper Cables Adaptors

Step 1: Before attempting to jump-start a car, ensure both batteries have the same voltage or you risk damaging electrical components.

Step 2: Keep the cars as close as possible but do not allow the cars to touch each other.

Step 3: Both vehicles are locked and “in the park,” connect the jumper wires in the following order:

With the two cars off and in a park, fix the jumper cables in the following order:

Connect one red clamp to the positive (+) battery post of the “dead” battery.

Connect the other red clamp to the positive (+) post of the good battery.

Connect one black-end clamp to the negative (-) post of the good battery.

Cautiously connect the other black-end clamp to some large metallic part of your car’s engine block. 

Never connect it to the negative (-) post of the “dead” battery. This originates sparking, which could ignite battery gases.

Step 4: Start the working car and run it at an idle speed for a few minutes. After permitting it to run, start the “dead” car. As soon as your “dead” car has started and is running, instantly disconnect the jumper cables in the reverse order.

How to Jump-Start a Car: Your Car Is Running, but Your Job Is Not Finished Yet

As soon as you get your car to run again, ensure to let it run idle for at least 30 minutes or move it around for a little while to revive the battery.

Next, take it to the garage. “The minute you jump start a car, it is a good idea to get your battery tested – and check if it requires replacement, along with the voltage

The last thing you need is to go through the whole process all over again the next time you try to start your car.

Or, you can fall back on roadside assistance.

It may be worth it if you do not have to bother being stuck somewhere with a dead battery.


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