GM Service Manual Online
For 1990-2009 cars only

Object Number: 1400618  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation
Control Module References
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
BTSI, BTSI/BU, O2A, O2B, PCM IGN 1, SPARE and TRLR BU Fuses
G302