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

Power, Ground and Serial Data - 1 of 2


Object Number: 1470879  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Power, Ground and Serial Data - 2 of 2
Underhood Fuse Block PARK LAMP Relay/Fuses and DIMMING Fuse
Underhood Fuse Block PARK LAMP Relay/Fuses and DIMMING Fuse
Headlamp Controls
Front Marker Lamps (w/TT7) and Front Park Lamps (w/o TT7)
Class 2 Serial Data Bus - LHD - 2 of 2
G201
Overhead Courtesy Lamps, Dome Lamp and Vanity Lamps
Turn Signal/Hazard Flasher Module (Domestic and Export)
Steering Wheel Controls Dimming
G402 - 1 of 2
G200
Figure 2:

Power, Ground and Serial Data - 2 of 2


Object Number: 1470880  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Steering Wheel Controls Dimming
Power, Ground and Serial Data - 1 of 2
Left Rear Fuse Block, IGN3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, HDLP LEVELING and IGN3 Fuses
Right Rear Fuse Block IGN1 Relay, AIRBAG, RIM, ABS, PSGR DR MOD and TV/VICS Fuses
G200
Front Power Window Switches and Motor
Rear Power Window Switches and Motors
G200
Rear Power Window Switches and Motors
G201
G201
Driver Door Module (DDM), Driver Door Switch Assembly (DDSA), Door Lock Switch and Latch Assembly
Memory/Personalization Function Switch (A45)
Driver Door Module (DDM) Power, Ground and Serial Data
Class 2 Serial Data Bus - LHD - 1 of 2
Driver Door Module (DDM), Driver Door Switch Assembly (DDSA), Door Lock Switch and Latch Assembly
Front Power Window Switches and Motor
Figure 3:

Steering Wheel Controls Dimming


Object Number: 1470882  Size: FS
Master Electrical Component List
Interior Lighting Systems Description and Operation
Control Module References
Power, Ground and Serial Data - 2 of 2
Steering Wheel Controls - 2.8L/3.6L (LP1/LY7)
SIR Caution for Zoning
Power, Ground and Serial Data - 1 of 2
G200