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

Power, Ground, and Data Link Connector


Object Number: 1748029  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
SP205
B+ Bus - Underhood Fuse Block
ABS, ATC, BLWR, ECAS, ELEC BRK, HAZRD, IPC/DIC, LTR, RVC, STOP LAMP, TRLR, VEH CHMSL, VEH STOP, and VSES Fuses
Data Communication Schematic Icons
Data Communication Schematic Icons
Data Communication Schematic Icons
G102
G201 - 1 of 2
SP205
Figure 2:

SP205


Object Number: 1748031  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
SP306
Power, Ground, and Data Link Connector
Power, Ground, and Data Link Connector
Data Communication Schematic Icons
SP306
Figure 3:

SP306


Object Number: 1748032  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
SP205
SP205