GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Navigation System Component Views
Figure 1:

Center of the Passenger Compartment, Behind the Center Console Storage Compartment
Object Number: 524981 Size: MF
(1)HVAC Control Module -- Auxiliary
(2)Auxiliary Power Outlet -- RR
(3)Auxiliary Power Outlet -- LR
(4)Auxiliary RCA Video Jacks
Figure 2:

Right Corner of the Passenger Compartment, Above the Rear Seat
Object Number: 525020 Size: LF
(1)Seat Belt Retractor -- RR
(2)TV Antenna Amplifier -- Right
(3)TV Antenna Module
(4)Speaker -- Rear Subwoofer
Figure 3:

Left Rear Corner of the Passenger Compartment, Above the Rear Seat
Object Number: 525023 Size: LF
(1)Radio Antenna Module
(2)TV Antenna Amplifier -- Left
(3)Seat Belt Retractor -- LR