GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Interior Lights Dimming Schematics
Figure 1:

Dimming Control and LED Dimming 1 of 3
Object Number: 2064572 Size: FS
Figure 2:

LED Dimming 2 of 3
Object Number: 2064574 Size: FS
Figure 3:

LED Dimming 3 of 3
Object Number: 2064576 Size: FS
Figure 4:

I/P Bulb Dimming 1 of 2
Object Number: 2064578 Size: FS
Figure 5:

I/P Bulb Dimming 2 of 2
Object Number: 2064580 Size: FS