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

RKE/Security System - Component Location


Object Number: 888710  Size: MF
(1)Horn
(2)Right Instrument Panel Fuse Block (RIPFB)
(3)Powertrain Control Module (PCM)
(4)Body Control Module (BCM)
(5)Door Lock Switch
(6)Door Lock Actuator
(7)Rear Door Lock Actuator
(8)Dome Lamp
(9)Left Instrument Panel Fuse Block (LIPFB)
(10)Decklid Release Solenoid/Ajar Switch
(11)Underhood Fuse Block (UHFB)
(12)Engine Control Module (ECM)
Figure 2:

Decklid/Liftgate Release Components


Object Number: 886918  Size: FP
(1)Decklid Release Switch
(2)Decklid Lock Cylinder
(3)Valet Switch
(4)Decklid Latch Assembly
(5)Liftgate Lock Cylinder
(6)Liftgate Latch Assembly