GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Regal 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Body Rear End Component Views
Figure 1:

Behind the Right Side of the I/P
Object Number: 1162362 Size: LF
(1)Vacuum Reservoir
(2)G200
(3)Fuse Block - I/P
(4)C200
(5)Blower Motor
(6)Blower Motor Resistor Assembly (CJ3)/Blower Motor Control Processor (CJ2)
(7)P100
(8)Vacuum Reservoir
(9)Black Vacuum Hose
(10)Air Temperature Actuator - Right
(11)Automatic Headlamp Relay
(12)Rear Compartment Lid Release Relay
(13)Rear Window Defogger Relay
(14)Retained Accessory Power (RAP) Relay
(15)I/P Wiring Harness
(16)Air Temperature Actuator - Left
Figure 2:

Inside Left Side of Instrument Panel Compartment
Object Number: 593526 Size: LF
(1)Rear Compartment Lid Release Switch
Figure 3:

Rear Compartment Lid
Object Number: 1340596 Size: LF
(1)Rear Compartment Lid Ajar Switch
(2)Rear Compartment Lid Lock Release Actuator
(3)Rear Compartment Lid Lock Release Actuator Connector
(4)Rear Compartment Lid Ajar Switch Connector
(5)Rear Compartment Key Cylinder
(6)Rear Compartment Lid Lock Release Actuator