Sierra 1500 4WD V8-6.0L (2007)
1. Route the end of the drain hose through the access hole and down the inner side panel, right or left side, as needed.
2. Install the hose clip to the door frame securing the drain hose to the vehicle, right or left side, as needed.
3. Connect the rear drain sunroof hose to the sunroof module rear spigot, right or left side, as needed.
4. Install the headliner.
