Regardless it’s for your own security, for roadworthiness assessment or for your budget, ensuring your headlight bulbs are actually functional is really important. In fact, bulbs are wearing parts that will unavoidably burn out with time and as a consequence need to be replaced. You’re most likely here because one of your headlights is burnt out and you’re wanting to know how to change the bulb of the fog lights on your Mercury Grand Marquis, we’ve made this content page to help you do this operation on your own and not need to go to your auto mechanic. To start with ,, we will look at chaging the front fog light bulb of your Mercury Grand Marquis and secondly, how to change the rear fog light bulb on your car.

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How to change the front fog light bulb of my Mercury Grand Marquis?

We are gonna start this content page with the changing the front fog light bulb of your Mercury Grand Marquis, be aware that dependant upon the year and the finish of your car it may not be the exact method to employ, that’s why we are going to give you the two most classical techniques to change the front fog light bulb of your car.

Change the front fog light bulb of your Mercury Grand Marquis without removing the bumper.

First solution, we will change the bulb without dismantling the bumper of your car. Nevertheless this technique is the simplest, there is no assurance that you can carry it out on your vehicle. In fact, depending on the options and the year, on some models there will not be enough space for you to change the bulb by doing this. Here are the two different ways to change the front fog lamp bulb of your Mercury Grand Marquis:

  • By passing under the bumper of your Mercury Grand Marquis: First approach, you will put yourself under your vehicle, don’t be reluctant to raise it with a jack if you don’t have enough space under the bumper. Once under the vehicle, all you have to do is to remove the clips of the plastic shoe that covers your engine unit and that rests on your bumper, you will have access to the fog light block of your Mercury Grand Marquis and you will not have any more (if you have enough space) remove the plastic cover, disconnect the plug, press on the metal part to take out the bulb and finally swap the front fog light bulb of your Mercury Grand Marquis
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  • By removing the wheel arch: Second option, you can remove the wheel arch of your car to have access to the fog lamp block of your car. To achieve this, lift your vehicle up, remove the front wheels, then remove your wheel arch using the clips provided for this purpose and accomplish the same operation as mentioned earlier to change the bulb of the fog light of your Mercury Grand Marquis.

    How to change the front fog light bulb of your Mercury Grand Marquis by removing the bumper?

    We will now look at the case where you are obliged by lack of space on your car model to remove the bumper of your Mercury Grand Marquis to be able to access the front fog light bulb of your car. To accomplish this, you will first of all have to remove the front bumper of your Mercury Grand Marquis, do not hesitate to consult our complete article to find out the exact process, know to summarize, that you will need torx wrench, and that you will have to remove screws under your bonnet, in your wheel arches and under your vehicle. Once the bumper has been removed, you will only need to access the front fog lamp block and change the fog lamp bulb on your Mercury Grand Marquis in the same procedure as described earlier.

    How to change the rear fog light bulb on your Mercury Grand Marquis?

    At last, if you want to change the rear fog bulb of your car the method is much easier, here are the different steps to stick to to allow you to change this bulb:

    • By the trunk, remove the floor covering from your trunk.
    • Unscrew the back cover of the headlight unit from your Mercury Grand Marquis.
    • After locating the rear fog light bulb on your car, remove the burnt-out bulb
    • Put in your new rear fog light bulb into the headlamp block of your Mercury Grand Marquis
    • Put everything back again

    Check that your fog lights are working properly again before you hit the road and you’re done.

    If you wish more tutorials on the Mercury Grand Marquis, go to our Mercury Grand Marquis category.