How do you remove the headlight on a 1997 Pontiac Grand Prix?
The process is the similar for all grand prix trim levels '97 to 03
Caution Halogen bulbs contain gas under pressure. Handling a bulb improperly could cause it to shatter into flying glass fragments. To help avoid personal injury: Turn off the lamp switch and allow the bulb to cool before changing the bulb. Leave the lamp switch OFF until the bulb change is complete. Always wear eye protection when changing a halogen bulb. Handle the bulb only by its base. Avoid touching the glass. Keep dirt and moisture off the bulb. Properly dispose of the used bulb. Keep halogen bulbs out of the reach of children.
Raise the hood.
Remove the two bolts holding the entire light assembly in (side marker, headlight and turn signal) located on the upper fascia support. Once these bolts are removed the entire assembly will shift to the right for the drivers side (when facing the vehicle) or to the left for the passenger side (when facing the vehicle).
Once the assembly is removed you will have access to the wires/bulb. Position the headlamp assembly away from the vehicle body to access the electrical connector. Disconnect the electrical connector from the headlamp assembly. Remove the headlamp assembly from the vehicle. Disconnect the electrical connector from the headlamp bulb/socket. Remove the headlamp bulb/socket retainer ring from the headlamp, by turning counterclockwise. Remove the headlamp bulb/socket from the headlamp assembly.
To ressemble simply do the reverse.
These instructions sound complicated but the procedure is not that difficult.
If your bulb burned out due to humidity or water in the lens, then this problem must be remedied (Headlamp replaced $65 Ebay -new part)or the new bulb will be short lived.
(courtesy of another posting)