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

Interior Lights and LED Dimming Control


Object Number: 1247496  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
LED Dimming Supply Voltage - 1 of 2
Steering Wheel/Speed Position Sensor
Steering Wheel Speed/Position Sensor Inputs
LED Dimming Supply Voltage - 1 of 2
I/P Dimming Supply Voltage - 1 of 7
Figure 2:

LED Dimming Supply Voltage - 1 of 2


Object Number: 1247499  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
LED Dimming Supply Voltage - 2 of 2
Interior Lights and LED Dimming Control
Interior Lights and LED Dimming Control
Roof Beacon Wiring
LED Dimming Supply Voltage - 2 of 2
Rear - Export Only
Rear Object Sensor Control Module, RPA Display, RPA Disable Switch
Rear Object Sensor Control Module, RPA Display, RPA Disable Switch
G203 - 1 of 3
Figure 3:

LED Dimming Supply Voltage - 2 of 2


Object Number: 1247502  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Dimming Supply Voltage - 1 of 7
LED Dimming Supply Voltage - 1 of 2
LED Dimming Supply Voltage - 1 of 2
Front
Figure 4:

I/P Dimming Supply Voltage - 1 of 7


Object Number: 1247505  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Dimming Supply Voltage - 2 of 7
LED Dimming Supply Voltage - 2 of 2
Interior Lights and LED Dimming Control
I/P Dimming Supply Voltage - 2 of 7
G200 - 1 of 3
G200 - 2 of 3
Analog Clock - Z75 Only
G200 - 1 of 3
G200 - 1 of 3
Figure 5:

I/P Dimming Supply Voltage - 2 of 7


Object Number: 1247506  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Dimming Supply Voltage - 3 of 7
I/P Dimming Supply Voltage - 1 of 7
I/P Dimming Supply Voltage - 1 of 7
I/P Dimming Supply Voltage - 3 of 7
Rear - Export Only
Remote CD Player - w/ U1S
G203 - 3 of 3
G203 - 2 of 3
G203 - 1 of 3
G203 - 2 of 3
G203 - 1 of 3
G203 - 1 of 3
Figure 6:

I/P Dimming Supply Voltage - 3 of 7


Object Number: 1247509  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Dimming Supply Voltage - 4 of 7
I/P Dimming Supply Voltage - 2 of 7
I/P Dimming Supply Voltage - 2 of 7
I/P Dimming Supply Voltage - 4 of 7
Stop Lamp Switch and Traction Control Switch
Inadvertent Power Supply Voltage - 3 of 3
G200 - 2 of 3
G200 - 1 of 3
G203 - 1 of 3
G203 - 1 of 3
G200 - 1 of 3
G200 - 1 of 3
Figure 7:

I/P Dimming Supply Voltage - 4 of 7


Object Number: 1247511  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Dimming Supply Voltage - 5 of 8
I/P Dimming Supply Voltage - 3 of 7
I/P Dimming Supply Voltage - 3 of 7
I/P Dimming Supply Voltage - 5 of 7
Stop Lamp Switch and Traction Control Switch
I/P Dimming Supply Voltage - 5 of 8
Rear Heated Seats - 1 of 3
Rear Heated Seats - 3 of 3
G200 - 1 of 3
G203 - 1 of 3
G203 - 1 of 3
G200 - 2 of 3
G200 - 1 of 3
G200 - 1 of 3
Figure 8:

I/P Dimming Supply Voltage - 5 of 7


Object Number: 1247512  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Dimming Supply Voltage - 6 of 7
I/P Dimming Supply Voltage - 5 of 8
I/P Dimming Supply Voltage - 4 of 7
I/P Dimming Supply Voltage - 7 of 7
Roof Beacon Wiring
I/P Dimming Supply Voltage - 6 of 7
Courtesy Lamp Supply Voltage - 4 of 4
Front
Rear Object Sensor Control Module, RPA Display, RPA Disable Switch
G200 - 3 of 3
G200 - 3 of 3
G200 - 1 of 3
G203 - 1 of 3
G200 - 1 of 3
G200 - 1 of 3
G203 - 1 of 3
Figure 9:

I/P Dimming Supply Voltage - 6 of 7


Object Number: 1247513  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Dimming Supply Voltage - 7 of 7
I/P Dimming Supply Voltage - 5 of 7
I/P Dimming Supply Voltage - 5 of 7
G200 - 3 of 3
G200 - 3 of 3
G200 - 1 of 3
G200 - 1 of 3
G200 - 1 of 3
Auxiliary HVAC w/Heat and A/C - 2 of 3
G410 - 1 of 3
G410 - 1 of 3
Figure 10:

I/P Dimming Supply Voltage - 7 of 7


Object Number: 1247514  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
I/P Dimming Supply Voltage - 6 of 7
I/P Dimming Supply Voltage - 5 of 7
Left Doors
Right Doors
Headlight Leveling Schematics
G304, G305
G306
S101 - Export
G100, G101, G105, G106