GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Spark 🢒 Accessories 🢒 Entertainment 🢒 Radio/Audio System Schematics
Figure 1:

Audio System UAL
Object Number: 1649908 Size: FS
Figure 2:

Audio System UAL
Object Number: 1649909 Size: FS