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

Door Jamb Switches


Object Number: 575845  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
Interior Lamp Relays
Class 2 Serial Data Line (RH Drive)
SBI
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 2:

Interior Lamp Relays


Object Number: 575852  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
Rear Compartment, LH Courtesy, and Overhead Console Lamps
Door Jamb Switches
INT LP Fuse and Relay
Class 2 Serial Data Line (RH Drive)
Rear Compartment, LH Courtesy, and Overhead Console Lamps
RH Courtesy, IP Compartment, and Ignition Key Cylinder Lamps
Vanity and Reading Lamps, Interior Lamp Switch
Rear Compartment, LH Courtesy, and Overhead Console Lamps
RH Courtesy, IP Compartment, and Ignition Key Cylinder Lamps
G301
Figure 3:

Rear Compartment, LH Courtesy, and Overhead Console Lamps


Object Number: 575857  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
Vanity and Reading Lamps, Interior Lamp Switch
Interior Lamp Relays
Interior Lamp Relays
Vanity and Reading Lamps, Interior Lamp Switch
G402 1 of 2
G402 1 of 2
Interior Lamp Relays
G402 1 of 2
Figure 4:

Vanity and Reading Lamps, Interior Lamp Switch


Object Number: 575863  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
RH Courtesy, IP Compartment, and Ignition Key Cylinder Lamps
Rear Compartment, LH Courtesy, and Overhead Console Lamps
Class 2 Serial Data Line (LH Drive)
Handling ESD Sensitive Parts Notice
Rear Compartment, LH Courtesy, and Overhead Console Lamps
Interior Lamp Relays
G402 1 of 2
G402 1 of 2
Figure 5:

RH Courtesy, IP Compartment, and Ignition Key Cylinder Lamps


Object Number: 575866  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
Vanity and Reading Lamps, Interior Lamp Switch
Handling ESD Sensitive Parts Notice
PCM BATT, EXPORT BRK, IP, ABS Sol, and ABS MOT Fuses
PCM BATT, EXPORT BRK, IP, ABS Sol, and ABS MOT Fuses
Interior Lamp Relays
Interior Lamp Relays
G201
G201
Handling ESD Sensitive Parts Notice