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

Cell 138: Power Distribution and Stop Lamp Switch


Object Number: 308582  Size: FS
Tilt Wheel/Column Components
Automatic Transmission Shift Lock Control Circuit Description
Cell 138: BTSI, Transaxle Range Switch and Ground Distribution
Cell 10: IGN 2 MaxiFuse®, and Ignition Switch
Cell 10: IGN 2 MaxiFuse®, and Ignition Switch
Cell 10: IGN 2 MaxiFuse®, and Ignition Switch
Cell 138: BTSI, Transaxle Range Switch and Ground Distribution
Figure 2:

Cell 138: BTSI, Transaxle Range Switch and Ground Distribution


Object Number: 308583  Size: FS
Tilt Wheel/Column Components
Automatic Transmission Shift Lock Control Circuit Description
Cell 138: Power Distribution and Stop Lamp Switch
Ground Distribution Schematics
Ground Distribution Schematics