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

BCM, Headlamp Switch and Door Ajar Switchs


Object Number: 591716  Size: FS
Battery, Starter, Generator, EBCM, Underhood Accessory Wiring JuncTion Block and Fuse Block
Ignition Switch, Park/Neutral Position Switch, Underhood AccessoryWiring Junction Block and Fuse Block
Ignition Switch, Park/Neutral Position Switch, Underhood AccessoryWiring Junction Block and Fuse Block
Ignition Switch, RAP Relay, Underhood Accessory Wiring Junction Block and Fuse Block
Underhood Accessory Wiring Junction Block, Headlamp Switch, Heater A/C Control, RCDLR, Theft Deterrent Indicator Lamp, Theft Deterrent Shock Sensor and Trip Calculator
Handling ESD Sensitive Parts Notice
Lighting Systems Components
Interior Lights Circuit Description
IP Compartment Lamp, IP Courtesy Lamps, Rear Compartment Lamp and Door Courtesy Warning Lamps
G302 (1 of 2)
G301
G200 (1 of 4)
Figure 2:

IP Comparmet Lamp, IP Courtesy Lamps, Rear Compartment Lamp and Door Courtesy Warning Lamps


Object Number: 591719  Size: FS
Handling ESD Sensitive Parts Notice
Lighting Systems Components
Interior Lights Circuit Description
Courtesy/Reading Lamps and Illuminated Mirrors
BCM, Headlamp Switch and Door Ajar Switches
Courtesy/Reading Lamps and Illuminated Mirrors
Courtesy/Reading Lamps and Illuminated Mirrors
G302 (1 of 2)
Handling ESD Sensitive Parts Notice
G200 (1 of 4)
Figure 3:

Courtesy/Reading Lamps and Illuminated Mirrors


Object Number: 591720  Size: FS
IP Compartment Lamp, IP Courtesy Lamps, Rear Compartment Lamp and Door Courtesy Warning Lamps
IP Compartment Lamp, IP Courtesy Lamps, Rear Compartment Lamp and Door Courtesy Warning Lamps
Lighting Systems Components
Interior Lights Circuit Description
IP Compartment Lamp, IP Courtesy Lamps, Rear Compartment Lamp and Door Courtesy Warning Lamps
G302 (1 of 2)