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

Class 2 Dimming Communication


Object Number: 576259  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Dimming Control, IP Dimmer Switch
Handling ESD Sensitive Parts Notice
Class 2 Serial Data Line (LH Drive)
Figure 2:

Dimming Control, IP Dimmer Switch


Object Number: 576270  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Ashtray Lamp, Steering Wheel Controls, Console Dimming
Class 2 Dimming Communication
Handling ESD Sensitive Parts Notice
Temperature Sensors
Low Beam Headlamps
Low Beam Headlamps
DRL, Low Beam Headlamps
LP PK L Fuse
DIM R Fuse
Ashtray Lamp, Steering Wheel Controls, Console Dimming
Figure 3:

Ashtray Lamp, Steering Wheel Controls, Console Dimming


Object Number: 576268  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Instrument Panel Dimming
Dimming Control, IP Dimmer Switch
SIR Handling Caution
Dimming Control, IP Dimmer Switch
Instrument Panel Dimming
SIR Handling Caution
G200 1 of 2
G200 1 of 2
Figure 4:

Instrument Panel Dimming


Object Number: 576279  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Front Door Dimming
Ashtray Lamp, Steering Wheel Controls, Console Dimming
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Ashtray Lamp, Steering Wheel Controls, Console Dimming
G201
G201
Figure 5:

Front Door Dimming


Object Number: 576276  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Rear Door Dimming
Instrument Panel Dimming
SBI
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 6:

Rear Door Dimming


Object Number: 576273  Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Front Door Dimming
SBI
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice