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

Starter Motor Controls


Object Number: 661854  Size: FS
Master Electrical Component List
Starting System Description and Operation
Generator Controls and Battery
Left Underhood Fuse Block- PCM, SIR and INJR Fuses
Battery Feed to Left and Right Underhood Fuse Blocks
Class 2 Serial Data Line
G100, G101, G102 and G103
Figure 2:

Generator Controls and Battery


Object Number: 661857  Size: FS
Master Electrical Component List
Charging System Description and Operation
Starter Motor Controls
Class 2 Serial Data Line
Battery Feed to Left and Right Underhood Fuse Blocks
G100, G101, G102 and G103