GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 Seville 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Cellular Communication Component Views
Figure 1:

Under the Rear Compartment Shelf
Object Number: 302023 Size: LF
(1)Cellular Telephone Module
(2)Cellular Telephone Module Connector
(3)Cellular Telephone Antenna Lead
(4)Cellular Telephone Interface Board
Figure 2:

Rear Compartment, Below the Package Shelf
Object Number: 324989 Size: LF
(1)Global Positioning Satellite (GPS) Antenna
Figure 3:

Behind Rear Seat Back
Object Number: 798116 Size: MF
(1)Vehicle Communication Interface Module (VCIM)
Figure 4:

Passenger Compartment, Upper Right Corner
Object Number: 747625 Size: LF
(1)Onstar Cellular Antenna/Rear Window Defogger Grid Ground Connector
(2)G304