Pontiac 1998 Trans Sport Owner's Manual page 361

3. Remove the two wing nuts located on top of
the
4. Unscrew the black retainer ring that holds the bulb
headlamp assembly.
assembly in place.
5. Pull
the
bulb assembly straight up from the
lamp housing.
6. Unhook the electrical connector by lifting up the
blue tabs and pulling the bulb out.
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