How to Replace Headlight and Bulbs 98-02 Mercury Grand Marquis
Difficulty: Intermediate · About 25 min · Mercury Grand Marquis
Replace a headlight and its bulbs, matching the beam adjusters, on a 1998-2002 Mercury Grand Marquis.
Tools you will need
- Adjustable wrench
- Channel-lock pliers
Parts and supplies
- Headlight assembly
- Headlight bulb
Steps
- Remove the old headlight
Remove the two clips in the panel above the headlights and take the panel off, pull the two clips on the back of the headlight, pull it out, then disconnect the harness by pulling up its two tabs.
- Change the bulbs and match the adjusters
Turn the ring and pull it off, pull the bulb free, then reverse to install; on the new headlight, match its adjusters to the old one's by holding the adjuster with an adjustable wrench and turning the plastic piece with pliers.
- Install the new headlight
Transfer the signal light into the new assembly, reconnect the headlight, line it up and push it into place, replace the two clips on its back, then refit the panel and its two clips.
Check your vehicle’s repair manual for exact specifications and fit.