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

Module Power, Ground, Serial Data and Stop Lamp Switch


Object Number: 1906902  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Pressure Controls - 1 of 2 and Shift Controls
RUN/CRANK Bus - AIRBAG IGN, MISC IGN and SEO/ALC Fuses
Stop Lamp Controls and CHMSL
RUN/CRANK Bus - ECM-IGN and TRANS IGN 1 Fuses
ECM-BATT, HEADLAMP WASH, HVAC BATT, IPC, LTR, S/ROOF, and TCM-BATT Fuses
Stop Lamp Controls and CHMSL
Serial Data Communication Enable and Wake-up Circuits
G102, G104, and G108
G103, G110 and G111
HIgh Speed Bus - 1 of 2
Figure 2:

Pressure Controls - 1 of 2 and Shift Controls


Object Number: 1906906  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Pressure Controls - 2 of 2 and Speed Sensors
Module Power, Ground, Serial Data, and Stop Lamp Switch
Figure 3:

Pressure Controls - 2 of 2 and Speed Sensors


Object Number: 1906908  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Transmission Range Signals and Driver Shift Request
Pressure Controls - 1 of 2 and Shift Controls
Figure 4:

Transmission Range Signals and Driver Shift Request


Object Number: 1906910  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Pressure Controls - 2 of 2 and Speed Sensors
Cruise Control Schematics
Data Communication Schematics
G201