725 S Garfield Ave
Traverse City Mi 49686
Garfield Auto Service Center
725 S Garfield Ave
Traverse City Mi 49686
Ph. 231.929.3862
Fax 231.932.7511
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How To Jump Start A Dead Battery

August 25, 2020, 12:00 am

We’ve all been there, and if you haven’t you will be. Having a dead battery is a pain, but luckily, it’s one of the easiest fixes around. Learn how to jump a dead battery with a set of jumper cables and be ready to save the day whenever a flat battery strikes. 

As we get closer to the colder mornings of fall and the frigid months of winter, we’ll all be hearing about more and more drivers with dead batteries. With so many people driving so much less, we’re anticipating more dead batteries than ever due to cold weather and short trips that don’t recharge batteries as much as they normally would. That’s why it’s a great idea to always have a set of jumper cables handy. 

Most jumper cables will work with any type of battery, but it’s worth double-checking they are designed to handle the voltage of your vehicle’s battery. Today, most a 6V, but it is worth just taking a peek under the hood to see what style of battery your vehicle has. If you drive a bigger vehicle like a truck or van, it may be worth investing in longer twelve-foot cables to give you plenty of room to hook up with another vehicle that may be parked in a tight spot. 

First, get both hoods up. Look at both batteries to make sure each battery’s positive and negative posts are clear of debris, rust, or anything that may affect the contact. You can usually use a gloved hand or a rag to quickly wipe them clean. With both cars off and, for safety’s sake, the keys completely out of the ignition, you’re ready to use your cables. 

Connect the red positive clamp to the dead battery first. Then, connect the other red clamp to the positive post on the functioning vehicle. Most often, positive posts will be slightly larger than the negative post and have a red rubber cover. 

Next, connect the black negative clamp to the functioning battery’s negative post. Almost done! That other negative clamp DOES NOT attach to the negative post of the dead battery. Instead, attach the clamp to an unpainted piece of metal, usually the engine block or the metal that holds up the hood. 

Finally, fire up  the functioning vehicle. Usually, it’s a good idea to let it run for ten to fifteen minutes before trying to start the dead car. Once the dead car starts, let it run for fifteen to twenty minutes to make sure you have plenty of charge stored up. When you unhook the clamps, leave both vehicles running and reverse the process exactly; clamp, negative, positive, positive. 

Remember, the dead battery may have started the vehicle, but it is unlikely to be at a full charge. Take a second to check the dash for a battery warning light, and look around your car’s interior and exterior for any lights or electrical elements you may have left on. When you have time, make it a priority to get your car to a trusted auto mechanic to have them to check your battery and ensure it can still hold a charge.

If you can, try to run your car for at least thirty minutes after the jump to give the battery more time to build a charge. You can drive and run errands, but try not to turn off your engine, in case your car isn’t charged enough for another start.


Posted by Garfield Auto at 12:00 am
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