The battery of your car is a wearing part, it is generally considered that it will have between 5 and 6 years of life span. You may have found yourself one day without a battery and not having the ability to start your Mercury Grand Marquis. And quite often this is the result of a battery that no longer stores energy. So in this case, how do I disconnect the battery from my Mercury Grand Marquis? Precisely, our team has created this content to be able to help you do this common task safely. First, we will give you some advice on how to do it safely, and then we will put it into practice and how to disconnect the battery on your Mercury Grand Marquis.

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How to disconnect the battery on my Mercury Grand Marquis: A few tips

To begin with, before tackling how to disconnect the battery from your Mercury Grand Marquis, we will give you a few hints on how to do this procedure safely and save you from wasting time, some of them will undoubtedly sound evident to you, but you can never be too cautious :

  • Before doing anything on your car, you must always place it on a flat surface with the hand brake on to prevent any movement of the Mercury Grand Marquis.
  • The battery in your car is an energy accumulator, and can possibly send out a deadly charge to humans, so you will need to keep in mind to turn off your vehicle’s ignition and remove any jewelry or metal objects you may be wearing to make certain you take as little risk as possible.
  • Moreover to being filled with energy, the battery will be filled with acid, a very corrosive chemical substance that can do a lot of damage to your skin. As a safety measure, wear rubber gloves and goggles to protect you from splashing.
  • Finally when you go to the step how to disconnect the battery on your Mercury Grand Marquis, don’t touch the two terminals of your battery, you may cause a short circuit with your body as a conductor.

How to disconnect a battery on my Mercury Grand Marquis: Take action

Let’s commence now, the section that undoubtedly brings you here, how to disconnect a battery on your Mercury Grand Marquis. So, after having taken all the measures we detailed just before, you will finally be able to start the removal of the battery from your car. To do this, it will be quite easy. First you will have to remove the plastic covers that protect the terminals of your battery. Check the state of your terminals, if they are oxidized or very dirty, we recommend you to use a soft wire brush and baking soda to clean them before disassembling. Once the cleaning is achieved, you will first have to remove the negative battery terminal of your car using a nut and bolt (this is the black cable with a “-” sign), always in this direction as it is linked to the car chassis, if you first remove the positive terminal (red cable with a “+” sign) and touch a part of the chassis, it would bring about a short circuit. Now you can disconnect the positive terminal of the battery from your Mercury Grand Marquis. Once both terminals are disconnected, you can begin the last step, disconnect the battery from the engine compartment of your car. To accomplish this, you just have to remove the rod and the clamp, in most cases held by a nut or a torx bolt, and take it out of its place. Be cautious though, a battery weighs very heavy, be careful and forceful, and also think about take it out vertically to steer clear of any acid leakage. That’s it, you have just discovered the process for how to disconnect a battery on your Mercury Grand Marquis, if you respect all the safety recommendations, everything should go well. If you want to find out how to safely reconnect your battery, check out this content, and if you want more information about your Mercury Grand Marquis, we have a directory of articles dedicated to your vehicle.

To find more tips on the Mercury Grand Marquis, take a look at the Mercury Grand Marquis category.