Sierra Classic 2500 4WD V8-6.0L (2007)
1. Install the XM antenna cable and clips to the windshield pillar.
2. Connect the cable to the antenna connection above the headliner.
3. Install the headliner.
4. Connect the XM radio antenna cable (1) at the I/P.
5. Install the upper I/P trim panel.
6. Install the windshield pillar garnish molding.
