GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Radio (UW6)


Object Number: 1923625  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Radio (U65)
Figure 2:

Radio (U65)


Object Number: 1923627  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Speaker (U65)
Radio (UW6)
Figure 3:

Speaker (U65)


Object Number: 1923630  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Digital Radio Receiver (U2K)
Radio (U65)
Figure 4:

Digital Radio Receiver (U2K)


Object Number: 1923634  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Steering Wheel Controls (UK3) (Chevrolet)
Speaker (U65)
Figure 5:

Steering Wheel Controls (UK3) (Chevrolet)


Object Number: 1923638  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Digital Radio Receiver (U2K)
Figure 6:

Steering Wheel Controls (Pontiac)


Object Number: 1959124  Size: FS
Figure 7:

Radio (U3U)


Object Number: 2025681  Size: FS