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

Door Open Inputs


Object Number: 559795  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
Courtesy Lamp Switch, LH Door Courtesy Lamps, and IP Compartment Lamp
Class 2 Serial Data Line
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 2:

Courtesy Lamp Switch, LH Door Courtesy Lamps, and IP Compartment Lamp


Object Number: 559799  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
Auxiliary Lighting Control, RH Door Courtesy Lamps, and Rear Compartment LAmp
Door Open Inputs
Class 2 Serial Data Line
Underhood Fuse Block, BAT 1 Fuse/Rear Fuse Block, RDM, C/LTR, DDM, HTDST L and TRK REL Fuses/ IP Fuse Block, PDM, SBM and CSTR/SBM Fuses
Handling ESD Sensitive Parts Notice
Auxiliary Lighting Control, RH Door Courtesy Lamps, and Rear Compartment LAmp
Auxiliary Lighting Control, RH Door Courtesy Lamps, and Rear Compartment LAmp
G202, 2 of 4
G202, 1 of 4
Vanity Mirrors and Courtesy/Reading Lamps
G201, 2 of 2
G201, 2 of 2
G201, 2 of 2
Figure 3:

Auxiliary Lighting Control, RH Door Courtesy Lamps, and Rear Compartment Lamp


Object Number: 559802  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
Vanity Mirrors and Courtesy/Reading Lamps
Courtesy Lamp Switch, LH Door Courtesy Lamps, and IP Compartment Lamp
Handling ESD Sensitive Parts Notice
Courtesy Lamp Switch, LH Door Courtesy Lamps, and IP Compartment Lamp
Courtesy Lamp Switch, LH Door Courtesy Lamps, and IP Compartment Lamp
Vanity Mirrors and Courtesy/Reading Lamps
Handling ESD Sensitive Parts Notice
G400, 1 of 2
Figure 4:

Vanity Mirrors and Courtesy/Reading Lamps


Object Number: 559803  Size: FS
Lighting Systems Components
Interior Lights Circuit Description
Auxiliary Lighting Control, RH Door Courtesy Lamps, and Rear Compartment LAmp
2000 C-Garage Door Opener Schematic
Auxiliary Lighting Control, RH Door Courtesy Lamps, and Rear Compartment LAmp
G400, 2 of 2
G400, 1 of 2
Courtesy Lamp Switch, LH Door Courtesy Lamps, and IP Compartment Lamp
Handling ESD Sensitive Parts Notice