GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Radio/Navigation System Schematics
Figure 1:

Radio Power, Ground, DLC and Audio Communications
Object Number: 2063334 Size: FS
Figure 2:

Speakers (UX8)
Object Number: 2063340 Size: FS
Figure 3:

Speakers (UY5) 1 of 3
Object Number: 2063344 Size: FS
Figure 4:

Speakers (UY5) 2 of 3
Object Number: 2063348 Size: FS
Figure 5:

Speakers (UY5) 3 of 3
Object Number: 2063353 Size: FS
Figure 6:

Radio Antennas, Audio/Video Adapter
Object Number: 2063355 Size: FS
Figure 7:

Digital Radio Receiver (U2K)
Object Number: 2063360 Size: FS
Figure 8:

Traffic Information Receiver Module (VICS)  - Japan Only
Object Number: 2063459 Size: FS
Figure 9:

TV Tuner (YQ6 or YQ7)
Object Number: 2063463 Size: FS
Figure 10:

Microphone, VSS and GPS Antenna
Object Number: 2063471 Size: FS