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How to Replace a Headlight Bulb in a 99 Grand AM

The 1999 Pontiac Grand Am uses a single bulb to provide both low beams and high beams. These encapsulated, halogen bulbs produce illumination through high-temperature gas. The capsules last longer and burn brighter than older, sealed-beam headlights used on the cars of the 1960s and 1970s. One drawback of halogen bulbs, however, is that contact with skin can weaken the glass bulbs due to alkaline in the skin, causing the bulbs to expire prematurely.

Instructions

1

Ensure the key is not in the ignition of the 1999 Pontiac Grand Am and the headlight switch is in the "Off" position.

2

Open the hood.

3

Remove the eight push-pin clips on the splash guard that runs along the radiator rail. Use the needle-nose pliers to pull up on the center pin of the clips to unlock them and then remove the clips, making sure to keep track of the two different sizes, as you will replace them later.

4

Locate the two upside-down, L-shaped brackets at the rear of the headlight assembly. Lift each bracket up about an inch. Use the pliers to help pull the brackets up, if necessary.

5

Wiggle the headlight assembly forward, away from the Grand Am, being caul not to scratch the lens or the paint on the car. There are three guide pins that align the assembly and headlights in place. It may take some wiggling of the assembly to dislodge the guide pins.

6

Pull the headlight assembly forward far enough to reach in behind it with one hand, while supporting the assembly with the other.

7

Disconnect the wire harness plug going into the headlight bulb socket.

8

Turn the headlight bulb bezel counterclockwise about one-third of a turn to align the retaining tabs to the notches and then remove the bezel and headlight bulb from the back of the assembly.

9

Put on the latex gloves before getting the replacement bulb, to avoid accidentally touching the glass bulb.

10

Place the bulb into the bezel and then insert the bulb and bezel into the headlight assembly, properly aligning the retaining tabs to the correct notches. Once the bulb and bezel are in place, turn the bezel clockwise one-third turn to lock it into place.

11

Plug the wire harness back into the headlight bulb socket and then align the guide pins of the headlight assembly to their respective seats. Push inward on the assembly to seat the guide pins.

12

Test the headlight bulb by turning the ignition key and then the headlight switch before pushing the retaining brackets back into place. Remove the tools and close the hood when finished.

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