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

Module Power, Ground, Serial Data, and Stop Lamp Signal


Object Number: 1749964  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Pressure Controls - 1 of 2 and Shift Controls
G102 and G108
RUN/CRANK Bus - AIRBAG IGN, MISC IGN, ans SEO/ALC Fuses
RUN/CRANK Bus - AIRBAG IGN, MISC IGN, ans SEO/ALC Fuses
RUN/CRANK Bus - AIRBAG IGN, MISC IGN, ans SEO/ALC Fuses
G102 and G108
Stop Lamp Controls and CHMSL
Stop Lamp Controls and CHMSL
G103, G110, and G111
RUN/CRANK Bus - AIRBAG IGN, MISC IGN, ans SEO/ALC Fuses
RUN/CRANK Bus - ECM-IGN and TRANS IGN 1 Fuses
B+ Bus - 1 of 3
ECM-BATT, HEADLAMP WASH, HVAC BATT, IPC, LTR, S/ROOF, and TCM-BATT Fuses
DLIS Fuse and Ignition Switch
Figure 2:

Pressure Controls - 1 of 2 and Shift Controls


Object Number: 1749966  Size: FS
Master Electrical Component List
Electronic Component 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: 1749968  Size: FS
Master Electrical Component List
Electronic Component 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: 1749969  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Pressure Controls - 2 of 2 and Speed Sensors
G201
Cruise Control Schematics
High Speed Bus - 1 of 2
High Speed Bus - 1 of 2