Chevrolet Avalanche 2004 Owner's Manual page 426

8. Place the connector with the new bulb into the
headlamp housing and turn it clockwise until it is
tight.
9. Put the headlamp assembly back into the vehicle
and reinstall the two pins.
10. Place the inboard end of the turn signal/parking
lamp housing into the pocket.
11. Push the outboard side of the housing in until the
release clip snaps into place.
5-60
Vehicles without Body-Side Cladding
1. Remove the pin on the headlamp assembly by
turning the pin up and pulling it straight out.
2. Pull the headlamp assembly out.