GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 CTS 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 5L40-E/5L50-E 🢒 Entertainment/Communication Component Views
Figure 1:

Radio, Audio Amplifier, A Pillar Speaker and Noise Compensation Microphone
Object Number: 1374793 Size: LF
(1)C308
(2)A Pillar Trim
(3)Speaker - Right A Pillar Tweeter (Left Similar)
(4)Noise Compensation Microphone (U57)
(5)Overhead Console
(6)Noise Compensation Microphone Connector (U57)
(7)Audio Amplifier
(8)Audio Amplifier Connector C1
(9)Audio Amplifier Connector C2
(10)Audio Amplifier Connector C3
(11)Radio
Figure 2:

Speakers
Object Number: 1374794 Size: LF
(1)Speaker - RF Door (LF Similar)
(2)Speaker - RF Door Connector
(3)Door - RF (LF Similar)
(4)Speaker - RR Door (LR Similar)
(5)Door - RR Trim Panel
(6)C322
(7)Speaker - Rear Subwoofer
(8)Rear Shelf Carrier
(9)Dash Pad Trim Panel
(10)Speaker - Front Center (U57)
Figure 3:

Digital Radio Subsystem Components (U2K)
Object Number: 1374795 Size: LF
(1)Digital Radio / Onstar Combination Antenna
(2)Digital Radio Antenna Coax Connectors
(3)Radio Antenna Module
(4)Antenna Bolt
(5)Expansion Sleeve
(6)Antenna Retainer
(7)Digital Radio Receiver Connector
(8)Digital Radio Receiver (U2K)
(9)Digital Radio Receiver (U2K)
(10)Digital Radio Antenna Coax
(11)Digital Radio Antenna Coax Connectors
(12)Speaker - Rear Subwoofer
Figure 4:

Radio Antenna Module and Antennas
Object Number: 1374796 Size: LF
(1)FM Antenna Coax Snap Connector to Radio Front Glass Antenna
(2)RFA Antenna Coax Snap Connector to RFA Rear Glass Antenna
(3)AM/FM Antenna Coax Snap Connector to Radio Rear Glass Antenna (Export Shown, Domestic Similar)
(4)Radio Antenna Module Connector
(5)Radio Antenna Module
(6)VICS FM Coax from Traffic Information Receiver (Export)
(7)FM Antenna Coax from Radio Front Glass Antenna
(8)Radio Antenna Coax to Radio
(9)AM/FM Antenna Coax Snap Connector (Export Shown, Domestic Similar)
(10)RFA Antenna Coax Snap Connector
Figure 5:

Radio Antenna Coax
Object Number: 1374798 Size: LF
(1)Radio Antenna Coax (From Radio Antenna Module to Radio)
(2)C312
(3)C302 (Export w/U2X/U2Y)
(4)A/T Shift Control Assembly (M82)
(5)A/T Shift Lock Control Solenoid Assembly (M82)
(6)A/T Shift Lock Control Solenoid Assembly Connector (M82)
(7)C303
(8)Radio Antenna Coax (From Radio Antenna Module to Radio)
(9)C311
(10)Ground G304
(11)Radio Rear Glass Antenna
(12)Rear Window Defogger Connector C2
(13)Rear Window Defogger Grid
Figure 6:

Steering Wheel Controls
Object Number: 1348855 Size: LF
(1)Turn Signal/Multifunction Switch
(2)Steering Wheel Controls - Left
(3)Inflatable Restraint Steering Wheel Module Connector C1
(4)C208
(5)Inflatable Restraint Steering Wheel Module Connector C2
(6)Steering Wheel Controls - Right
(7)Windshield Wiper/Washer Switch
(8)Ignition Lock Cylinder
Figure 7:

Cellular Communication Components (UE1)
Object Number: 1631942 Size: LF
(1)Inside Rearview Mirror (ISRVM)
(2)Automatic Dimming Photo Cell
(3)OnStar Indicator Light
(4)Emergency Button
(5)OnStar Button
(6)Cellular Microphone
(7)Call Button
(8)Electrochromatic Mirror Button
(9)Electrochromatic On Indicator
(10)Antenna Assembly (Navagation, Ostar, Digital Anetenna )
(11) Coax Connector
(12)Rear Defogger Connector C2
(13)Splice S309
(14)Ground G304
(15)Vehicle Communication Interface Module (VCIM)
(16)Onstar GPS Coax Connector
(17)VCIM Connectors
(18)Cellular Antenna Coax Connector
Figure 8:

Cellular Antenna
Object Number: 1631743 Size: LF
(1)Antenna Assembly (Navagation, Digital Radio, and Cellular) (UE1/U2K)
(2)Rear Window
Figure 9:

Navigation Components
Object Number: 1375717 Size: LF
(1)Traffic Data Antenna
(2)Traffic Data Antenna Coax
(3)Traffic Data Antenna Windshield Mount (Export-Japan)
(4)Inside Rearview Mirror (ISRVM) Windshield Mount
(5)Auxiliary RCA Video Jacks
(6)Traffic Information Receiver (U2X) (Export-Japan)
(7)TV Antenna Module (U2Y/U2X) (Export-Japan)
(8)Speaker - Rear Subwoofer
(9)TV Antenna Coax Connectors - Right (Export-Japan)
(10)TV Antenna Coax Connectors - Left (Export-Japan)
(11)TV Antenna Module Connector (Export-Japan)
(12)Traffic Information Receiver Connector (Export-Japan)
(13)Traffic Data Antenna Coax Connector (Export-Japan)
(14)VICS FM Coax Connector (Export-Japan)
(15)Radio
Figure 10:

Traffic Information and TV Components (Export w/U2Y/U2X)
Object Number: 1375719 Size: LF
(1)TV Antenna Coax Connector
(2)TV Antenna Coax Connector
(3)TV Rear Glass Antenna
(4)Rear Window Defogger Grid
(5)Ground G304
(6)Rear Window Defogger Connector C2
(7)TV Antenna Amplifiers (RH)
(8)TV Antenna Coax Connector (RH)
(9)Navigation Antenna
(10)Rear Integration Module (RIM)
(11)TV Antenna Module
(12)Traffic Information Receiver
(13)TV Antenna Amplifiers (LH)
(14)TV Antenna Module
(15)TV Antenna Coax Connector (LH)
(16)Traffic Information Receiver
(17)Traffic Data Antenna Coax Inline Connectors
(18)Traffic Data Antenna Coax
(19)VICS FM Coax Connector