Tools You'll Need:
* Phillips head screwdriver
* Possibly a flathead screwdriver (depending on the type of fasteners)
* New headlight assembly
* Gloves (optional, but recommended)
Steps:
1. Disconnect the Battery: This is crucial for safety. Disconnect the negative (-) terminal first to prevent accidental shorts.
2. Open the Hood: Locate and open the hood of your Grand Am.
3. Access the Headlight Assembly: You'll need to access the back of the headlight. For the 1999 Grand Am, there's usually access from behind the wheel well or through the engine compartment. You might need to remove some plastic covers or trim pieces. Check your owner's manual or consult online repair guides with pictures for your specific model to see the exact location of the fasteners.
4. Remove Fasteners: Carefully remove the screws or bolts holding the headlight assembly in place. There are typically several. These could be Phillips head screws or possibly some plastic push-pins that need to be pried out gently with a flathead screwdriver. Be mindful not to strip the screw heads or damage the plastic.
5. Disconnect Electrical Connectors: Once the fasteners are removed, there will be one or more electrical connectors attached to the back of the headlight assembly. Gently but firmly unplug these connectors. Sometimes a slight twist or push is needed; don't force anything.
6. Remove the Headlight Assembly: After disconnecting the electrical connectors, carefully remove the headlight assembly from its housing. It may require some gentle maneuvering.
7. Install the New Headlight Assembly: This is simply the reverse of the removal process. Carefully align the new headlight assembly with its mounting points.
8. Reconnect Electrical Connectors: Securely connect the electrical connectors to the new headlight assembly.
9. Secure the Headlight Assembly: Replace the fasteners and tighten them securely, but avoid over-tightening.
10. Reinstall any Trim Pieces: Reinstall any plastic covers or trim pieces you removed in step 3.
11. Reconnect the Battery: Reconnect the positive (+) battery terminal.
12. Test the Headlight: Turn on your headlights to ensure the new assembly is working correctly.
Important Considerations:
* Bulb Type: Before purchasing your new headlight assembly, verify the correct bulb type for your 1999 Pontiac Grand Am. Different assemblies may use different bulbs.
* Online Resources: Search online for "1999 Pontiac Grand Am headlight replacement" along with images or videos. Visual aids can be extremely helpful. Sites like YouTube often have detailed repair videos.
* Owner's Manual: Your owner's manual is your best resource. It will have specific instructions and diagrams for your car.
* Professional Help: If you're uncomfortable performing this repair yourself, it's always best to take your car to a qualified mechanic.
Remember to work carefully and take your time. Rushing the process can lead to damage or injury. Good luck!
