Sierra 1500 2WD V8-5.3L (2008)
Entertainment System Control Module: Locations
Passenger Compartment/Roof Component Views
Overhead Console and Headliner Components (U42/5Y0)
1 - Sunroof/Moonroof Beacon Switch (5Y0)
2 - Video Display (U42)
3 - Infrared Module (U42)
4 - Emergency Vehicle Wiring Blunt Cuts (5Y0)
5 - Emergency Vehicle Roof Lamp Relay (5Y0)
