How to Jump Start a Car – Simple 9 Step Guide

Nobody has time for a flat car battery, especially if you’re on your way to work. If your car key is failing to get the engine started, it doesn’t necessarily mean your battery is dead. It may just need a helping hand to get it going.

Jump starting a car is something every driver should know how to do. After all, you never know when you’re going to be caught out. So, we’ve put together a step-by-step guide to jump starting your car, so you can fire up the engine and get back on roads as soon as possible.

What do I need to jump start a car?

To jump start a car, you will need:

  • A pair of jump leads
  • A second car/vehicle with a fully charged battery

Safety checks before you jump start a car

Before you jump start a car, you need to check:

  • The battery isn’t damaged or leaking
  • The jump leads aren’t damaged
  • That you have removed all metal jewellery, and no clothing or metal can touch the battery
  • The key is not in the ignition

How do I jump start a car?

  1. Firstly, you need to park the second vehicle with the fully charged battery as close as possible to the vehicle with the flat battery. The jump leads need to be able to comfortably reach from one battery to the other.
  2. Make sure both vehicle engines are off, as well as any electrical systems such as lights, sat-nav, radio etc. Then remove both ignition keys and open the bonnets.
  1. Now that both vehicles are in position, you need to connect the red lead to the positive (+) terminal on the flat battery and the other end of the red lead to the positive (+) terminal on the charged battery.
  1. Once the red cable is connected, you need to connect the black cable to the negative (-) terminal on the charged, working battery. Do not attach the other end directly to the flat battery.
  1. Instead, the other end of the black cable needs to be clamped away from the flat battery and fuel system, on a solid, unpainted metal part of the engine. This is your earthing point. Some cars have a specific area called an earthing rod that you can use – check your vehicle’s owner’s manual to see if yours has one.
  1. Once all four ends are connected, start the engine of the car with the charged battery and leave it running for one minute.
  2. Now try and start the car with the flat battery. If the car starts, leave both vehicles running for around 10 minutes. If the vehicle with the flat battery doesn’t start, you may need a new battery and a professional to assess the issue.
  1. Now that you’ve (hopefully) jump started your car, you need to switch off both engines before removing the leads in the reverse order to the way they were connected. Don’t let the leads touch each other, or either car, as you remove them.
  1. Start up the engine on the car which had the flat battery and try to drive the vehicle around normally for about 30 minutes to put some charge back into the battery.

If you try to jump start your car and the problem is worse than you expected, here at Scrap Car Comparison we can give you money for your unwanted vehicle. Simply enter your reg and postcode into our easy-to-use scrap car calculator to receive an instant quote from one of our trusted scrap and salvage buyers.

 
 

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