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

Power, Ground, Serial Data, and Encoder Motor


Object Number: 743981  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Indicators, Speed Sensors, and Front Axle Actuator
B+ Bus - Underhood Fuse Block
DLC and SP205
G201 - 1 of 2
Figure 2:

Indicators, Speed Sensors, and Front Axle Actuator


Object Number: 743984  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Power, Ground, Serial Data, and Encoder Motor
Courtesy Lamp Supply
ACCY/RUN/START, RUN, and START Bus Bars
Suspension Controls Schematics
G102, G104, G105, and G109
G107 and G108