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

Power, Ground


Object Number: 744626  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Splice Pack SP205
AIR, RADIO, ECM B, FRT HVAC, and CIGAR Fuses
AIR, RADIO, ECM B, FRT HVAC, and CIGAR Fuses
G103, G105, and G106
G103, G105, and G106
G203 - 3 of 4
G203 - 3 of 4
G103, G105, and G106
G103, G105, and G106
G203 - 1 of 4
Figure 2:

Splice Pack SP205


Object Number: 744630  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Power, Ground
Data Link Communications Schematic Icons