Sierra Denali AWD V8-6.2L (2008)
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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)