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

Heated Wash


Object Number: 2137088  Size: FS
Figure 2:

Front Wiper


Object Number: 2137090  Size: FS
Figure 3:

Rear Wiper


Object Number: 2137092  Size: FS
Figure 4:

Rain Sensor


Object Number: 2137093  Size: FS
Figure 5:

Washer System


Object Number: 2137095  Size: FS