1. Disconnect the negative battery cable.
2. Remove the front side turn lights. (See FRONT SIDE TURN LIGHT REMOVAL/INSTALLATION.)
3. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION.)
4. Remove the front combination lights. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION.)
5. Remove screws A, then remove the cover.
6. Disconnect the connector.
7. Remove screws B, then remove the discharge headlight control unit.
8. Install in the reverse order of removal.