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

Power, Ground, DLC and Passlock Sensor


Object Number: 754340  Size: FS
Master Electrical Component List
Vehicle Theft Deterrent (VTD) Description and Operation
Door Lock Cylinder Switches
B+ Bus Bar
Ign START, RUN and ACC Bus Bar
Ign RUN and START Bus Bar
Power
RDO IGN, FRT WPR, RR WIPER, ABS and CRUISE Fuses
Splice Pack SP201 and Modules
G200 and G201
G203 and G205
Figure 2:

Door Lock Cylinder Switches


Object Number: 792384  Size: FS
Master Electrical Component List
Theft Systems Description and Operation
Power, Ground, DLC and Passlock Sensor
G200 and G201
G202 and G204