How To Properly Attach Jumper Cables And Jump Start Your Vehicle The Right Way

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With winter coming, car and truck batteries will fall ill and die out more often due to the cold weather. Below is a ton of useful knowledge that can certainly come in handy. Make sure to always carry a pair of good jumper cables in your vehicle!

It has probably happened to you before. You go to turn your ignition, and nothing happens. Maybe you hear a few clicks. Another dead car battery? You need to fix this and get your vehicle back on the road – fast. If you are prepared, you already have a good set of jumper cables in your car. Now all you need to do is to learn how to jump start a car battery.

Safety First

You should consider all safety risks before performing any basic maintenance or repair on your car. First, make sure that small children are in a safe area away from the engine while you are establishing how to jump a dead car battery. Take a moment to read the manual of your car. Some vehicles require extra steps in order to have a successful jump. Assuming that your car will permit a jump, you should be careful to prevent dangerous electric shocks. When you handle the jumper cables, be aware that their function is to transmit electrical current from one car to another. Once one end of the jumper cables is connected to a car, do not touch the metal clamps to anything but the appropriate target. It’s also recommended that you wear a pair of protective glasses in case sparks go flying into the air.

How to Jump a Car Battery

To prepare for the jump:

  1. Park the functioning car so that the vehicles face each other, preferably only about 18 inches apart, but never touching each other. For automatic transmission cars, put the vehicle in park; for a manual transmission, set the vehicle to neutral

  2. Set the parking brakes on both, so neither car moves unexpectedly

  3. Both cars should be turned off, with keys removed

  4. Set down the jumper cables on the ground, making sure the clamps do not touch each other

  5. Open the hood to both cars, and locate the batteries (refer to the owner’s manual for battery location) and battery terminals. Usually, the two terminals on each battery will be covered in red or black, with a + or – sign on top. Look at the batteries and make sure that you can identify which is positive, and which is negative. This distinction is crucial to the success of your jump. If the battery terminals are dirty, wipe them off with a rag or wire brush.

Now, begin attaching the jumper cables:

  1. Attach the red, positive cable clamp to the positive (+) battery terminal of the dead battery. You want a solid connection to the battery terminal, which may require some initial wiggling of the clamps

  2. Attach the red, positive cable clamp on the other side of the jumper cables to the functioning vehicle’s positive (+) battery terminal

  3. Connect the black, negative cable clamp to the working battery’s negative (-) battery terminal. Walk over to the car with the dead battery. Do not connect the black, negative cable clamp to the dead battery. Instead, attach that clamp to an unpainted, metal part of the car such as a shiny, clean nut on the engine block. This will help ensure a safe jump.

cables

Know How Long to Charge a Dead Car Battery

Now you’re ready to attempt the jump-start.  Follow the instructions below to find out how and how long to charge your car’s dead battery:

  1. Start the working vehicle

  2. Wait a minute or so.  Depending on the age of the battery and how long since it died, you may need to let the car run for a minute or two to get the jump to work.

  3. Try starting the dead car. If the car doesn’t start, allow the working vehicle to charge the battery for an additional minute or two before attempting again.  In some instances, slightly revving the engine of the working car while charging the dead battery may help.

  4. Once the dead car is running, you may disconnect the jumper cables, starting with the black, negative cable clamps. Do not let the clamps touch each other while any part of the cables is still attached to a car.

  5. Now, take a short drive. This will allow the battery to build up a charge. This driving allows the vehicle’s alternator to charge the battery and ensures that your vehicle does not die again once you turn it off.

If the Jump-Start Fails

There may be underlying issues.

  • fuses
  • battery corrosion
  • faulty alternator
  • ignition switch
  • starter connection

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