Yukon
1. Remove finishing of an additional stoplight.
2. Loosen the nuts (1).
3. Remove the additional brake light (2).
4. Install in the reverse order of removal.
Escalade
1. Remove finishing of an additional stoplight.
2. Disconnect the connector (1)
3. Loosen the nuts (2).
4. Remove the additional brake light (3).
5. Install in the reverse order of removal.
Avalanche
1. Remove the center roof trim.
2. Loosen the screw (2).
3. Disconnect the clamps of the additional brake light (1).
4. Remove the additional brake light (3).
5. Install in the reverse order of removal.