1A Auto Video Library
Our how-to videos have helped repair over 100 million vehicles.
Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain
installation video player icon

How to Replace Headlight and Bulbs 1998-2002 Mercury Grand Marquis

Created on: 2012-05-09

Check out this video to learn how you can replace the headlights on your 98-02 Mercury Grand Marquis.

  1. step 1 :Removing the Headlight
    • Remove the two clips in the panel above the headlights. Remove the Panel.
    • Pull the two clips on the back of the headlight.
    • Pull the headlight out.
    • Disconnect the harness by pulling up on the two tabs.
  2. step 2 :Changing the Bulbs / Adjusting the Headlights
    • Turn the ring and pull off.
    • Pull the bulb free.
    • Reverse procedure.
    • On the new headlight make the adjusters match the adjusters on the old headlight.
    • Hole the adjuster with an adjustable wrench and use pliers to turn the plastic piece until they match.
  3. step 3 :Replacing the Headlights
    • Put the signal light into the new headlight assembly
    • Reconnect the headlight.
    • Line the headlight up and push into place.
    • Replace the two clips on the back of the headlight.
    • Replace the panel.
    • Replace the two clips in the panel.

Tools needed

  • Adjustable Wrench

    Channel-Lock Pliers

Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.

Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.

In this video, we're going to show you how to service the headlight on this 2000 Mercury Grand Marquis. Procedure is the same for any '98 to 2002, and you don't need any tools to do this. We are going to show you both, if you just need to change the bulb as well as if you want to replace your headlight with new headlights from 1A Auto, as the headlights age in these cars, they get faded and clouded, and obviously, they can get broken, and new headlights from 1A Auto will help you see better and fix your problem.

First, we need to remove this panel. There's two clips, one here. Just turn it counterclockwise, pull it up and out. Another one on this side. Pull this up and right out. Okay, the easiest way to change your headlights, actually to pull the headlights out, which is actually pretty easy. There are two clips here that you pull up and off, one here. Now, your headlight comes right up, you can see that unplug kind of almost automatically. This, you just kind of pull up on these two tabs, disconnect. The headlight's out. Your headlight, turn this ring counterclockwise. It comes off, and then, your bulb comes right out. You put the new one back in, and then, walk the ring back on.

Here's the original light and new light from 1A Auto. You can see much more bright and clear. Help you see better at night, and obviously if you have a broken headlight, it's going to fix that problem. One thing to do before you install is try to set your adjusters, just kind of roughly, so you want to look at the distance between here and this groove here on your old one. Okay, and then on your new one, try and set it basically the same. That'll be a good preliminary adjustment. Okay. How you would do that is you would hold this with a small adjustable wrench and then turn this, probably with a pair of pliers.

So, I've already set mine. I'm going to put my single bulb in, do a clock position, turn it clockwise. Okay. Put this harness through. Connect that. Pull this harness through. The rest is coming through. I'll connect my headlight bulb, and then just push this in. I'm going to have to, some of these adjusters kind of need to be pushed out to get them wind up a little bit. I'm just kind of hooking them back in, moving the adjusters around a little bit. Okay, now push in. I'll put one of my clips down. Push the light in. Push the clip down on, same thing here. Push the light in and through, and put the clip down on into place. Then, take this panel, put it down in, in like that. Put the clips in place and lock.

We hope this helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please free to call us toll free 888-844-3393. We're the company that's here for you on the internet and in person.

1998 - 2002  Mercury  Grand Marquis

Headlight

1998-02 Mercury Grand Marquis Passenger Side Headlight Assembly DIY Solutions LHT01383

Part Details:

  • Features and Benefits
  • 9007 High / Low Beam
  • PC (Polycarbonate)
$44.95
recommended video

How to Replace Headlights 2007-14 Chevy Suburban 1500

Watch this video to learn how to replace and service the headlight assembly and bulbs on your 07-14 Chevy Suburban 1500.

Share on:
Copy URL
Go To Top
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.