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

Power and Ground


Object Number: 475096  Size: FS
Data Link Communications Components
Data Link Communications Circuit Description
Serial Data Class 2 (1 of 3)
G200
G201 - IP Harness
HDHIBML, HDHIBMR, ALDL, PCM BATT, IP Fuses
G201 - IP Harness
G200
Serial Data Class 2 (1 of 3)
Figure 2:

Serial Data Class 2 (1 of 3)


Object Number: 475106  Size: FS
Serial Data Class 2 (3 of 3)
Power and Ground
Serial Data Class 2 (2 of 3)
Handling ESD Sensitive Parts Notice
Power and Ground
Serial Data Class 2 (2 of 3)
Data Link Communications Circuit Description
Data Link Communications Components
Figure 3:

Serial Data Class 2 (2 of 3)


Object Number: 475108  Size: FS
Serial Data Class 2 (1 of 3)
Serial Data Class 2 (3 of 3)
Serial Data Class 2 (1 of 3)
Serial Data Class 2 (3 of 3)
Data Link Communications Circuit Description
Data Link Communications Components
Serial Data Class 2 (1 of 3)
Handling ESD Sensitive Parts Notice
SIR Handling Caution
Figure 4:

Serial Data Class 2 (3 of 3)


Object Number: 475110  Size: FS
Serial Data Class 2 (1 of 3)
Serial Data Class 2 (2 of 3)
Serial Data Class 2 (2 of 3)
Data Link Communications Components
Data Link Communications Circuit Description
Serial Data Class 2 (2 of 3)
Handling ESD Sensitive Parts Notice