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

Power, Ground, and Serial Data - 1 of 2


Object Number: 1593739  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 (TT7) and Front Park Lamps (w/o TT7)
Class 2 Serial Data Bus (LHD) - 2 of 2
G201
2006 D320 Shift Lever (LHD)
Overhead Courtesy Lamps, Door Lamp, and Vanity Lamps
G402 - 1 of 2
G200
Steering Wheel Controls Dimming
G200
Turn Signal/Hazard Flasher Module
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
Driver Door Module (DDM) Power, Ground, and Serial Data
Memory/Personalization Function Switfch (A54)
Driver Door Module (DDM), Driver Door Switch Assembly (DDSA), Door Lock Switch, and Latch Assembly
G200
Front Power Window Switches and Motor
Class 2 Serial Data Bus (LHD) - 1 of 2
Rear Power Window Switches and Motors
G200
Left Rear Fuse Block - IGN 3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, HDLP LEVELING, and IGN 3 Fuses
Rear Power Window Switches and Motors
G201
Right Rear Fuse Block - IGN 1 Relay, ARIBAG, RIM, BS, PSGR DR MOD, and TV/VICS Fuses
Driver Door Module (DDM), Driver Door Switch Assembly (DDSA), Door Lock Switch, and Latch Assembly
Front Power Window Switches and Motor
G201
Figure 3:

Steering Wheel Controls Dimming


Object Number: 1582828  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)
Lighting Systems Schematic Icons
Power, Ground, and Serial Data - 1 of 2
G200