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

Lighting Sub-System (Front, Dash and Headliner)


Object Number: 784047  Size: LF
(1)Instrument Panel Cluster (IPC)
(2)Driver Information Center (DIC)
(3)Driver Information Center (DIC) Switch
(4)Hazard Switch
(5)I/P Dimmer Switch
(6)Vanity Mirror-Left (Right Similar)
(7)Courtesy/Reading Lamp-Left
(8)Courtesy/Reading Lamp Switch
(9)Courtesy/Reading Lamp-Right
(10)Courtesy/Reading Lamp-Right Rear (Left Rear Similar)
(11)Turn Signal/Hazard Flasher Module
(12)Marker Lamp-Left Front (Right Front Similar)
(13)Fog Lamp-Left Front (Right Front Similar)
(14)Park/Turn Signal Lamp-Left Front (Right Front Similar)
(15)Headlamp, Low Beam-Left Front (Right Front Similar)
(16)Headlamp, High-Left Front (Right Front Similar)
Figure 2:

Lighting Sub-System-Rear and Doors


Object Number: 784050  Size: LF
(1)Center High Mounted Stop Lamp (CHMSL)
(2)Park/Stop Lamp-Right-Left Similar
(3)Tail/Stop Lamp-Right-Left Similar
(4)Backup Lamp-Right-Left Similar
(5)Fog Lamp-Right Rear-Left Rear Similar
(6)License Lamp
(7)Courtesy Lamp-Right Front Door-Left Front Similar
(8)Courtesy Lamp-Right Rear Door-Left Rear Similar