Pontiac 1999 Montana Owner's Manual page 342

Front Sidemarker
1. Open the hood.
2. Remove the thumb screw attaching the parking/turn
signal lamp assembly to the headlamp assembly.
3. Pull the parking/turn signal lamp assembly away
from the vehicle.
4. Unscrew the bulb socket from the lamp assembly by
turning it counterclockwise.
6-36
5. Replace the bulb by pulling the old one out and
gently pushing the new one into the lamp socket.
6. Line up the tabs on the socket with the gaps in the
socket holes and screw the bulb socket back into the
lamp housing.
yellowblue