GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Avalanche - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Headlights/Daytime Running Lights (DRL) Schematics
Figure 1:

Headlamp and Daytime Running Lamp Controls
Object Number: 2075137 Size: FS
Figure 2:

Low Beam and Daytime Running Lamps - X88/Z88
Object Number: 2075139 Size: FS
Figure 3:

Low Beam and Daytime Running Lamps - Z75
Object Number: 2075142 Size: FS
Figure 4:

High Beams
Object Number: 2075144 Size: FS