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

Power, Ground, Transfer Case Shift Control Module and Vehicle Interface Unit (VIU)


Object Number: 550387  Size: FS
Data Link Communications Components
Data Link Communications Circuit Description
SP201 (2.2L)
INT BATT Fuse
Except Envoy
G103 and G105 (2.2L)
G103 and G105 (2.2L)
G103 and G105 (2.2L)
Power and Grounding Connector End Views
G103 and G105 (2.2L)
G200, G201 and G207 (Pickup)
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 2:

SP201 (2.2L)


Object Number: 550390  Size: FS
Data Link Communications Components
Data Link Communications Circuit Description
SP201 (4.3L)
Power, Ground, Transfer Case Shift Control Module and Vehicle Interface Unit (VIU)
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Antilock Brake System Connector End Views
Antilock Brake System Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
SIR Handling Caution
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 3:

SP201 (4.3L)


Object Number: 550392  Size: FS
Data Link Communications Components
Data Link Communications Circuit Description
SP201 (2.2L)
VCM Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Antilock Brake System Connector End Views
Antilock Brake System Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
SIR Handling Caution
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Driver Information Systems Connector End Views
Power Seat Connector End Views