GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 4WD 🢒 Driver Information and Entertainment 🢒 Cellular, Entertainment, and Navigation 🢒 Entertainment/Communication Component Views
Figure 1:

Front of Vehicle (Z88/Z89)
Object Number: 1550918 Size: MF
(1)Headlamp - Low Beam - Right
(2)Headlamp - High Beam - Right
(3)Cellular Antenna (UE1)
(4)Headlamp - High Beam - Left
(5)Headlamp - Low Beam - Left
(6)Outside Rearview Mirror - Driver
(7)Marker Lamp - LF
(8)Park/Turn Signal Lamp - LF
(9)Cornering Lamp - Left (Z88)
(10)Fog Lamp - LF (T96)
(11)Fog Lamp - RF (T96)
(12)Cornering Lamp - Right (Z88)
(13)Park/Turn Signal Lamp - RF
(14)Marker Lamp - RF
(15)Radio Antenna
(16)Outside Rearview Mirror - Passenger
Figure 2:

Front of Vehicle (X88)
Object Number: 1550922 Size: MF
(1)Radio Antenna
(2)Headlamp - High Beam - Right
(3)Headlamp - Low Beam - Right
(4)Headlamp - Low Beam - Left
(5)Cellular Antenna (UE1)
(6)Headlamp - High Beam - Left
(7)Outside Rearivew Mirror - Driver
(8)Marker Lamp - LF
(9)Park/Turn Signal lamp - LF
(10)Fog Lamp - LF (T96)
(11)Fog Lamp - RF (T96)
(12)Park/Turn Signal lamp - RF
(13)Marker Lamp - RF
(14)Outside Rearivew Mirror - Passenger
Figure 3:

Front of Vehicle (W49)
Object Number: 1550923 Size: MF
(1)Radio Antenna
(2)Digital Radio Antenna
(3)Cellular Antenna (UE1)
(4)Outside Rearview Mirror - Driver
(5)Park Lamp - LF
(6)Park Lamp - LF
(7)Headlamp - High Beam - Left
(8)Marker Lamp - LF
(9)Cornering Lamp - Left
(10)Fog Lamp - LF (T96)
(11)Headlamp - Low Beam - Left
(12)Turn Signal Lamp - LF
(13)Turn Signal Lamp - RF
(14)Headlamp - Low Beam - Right
(15)Fog Lamp - RF (T96)
(16)Cornering Lamp - Right
(17)Marker Lamp - RF
(18)Headlamp - High Beam - Right
(19)Park Lamp - RF
(20)Park Lamp - RF
(21)Outside Rearview Mirror - Passenger
Figure 4:

Global Positioning System (GPS) Antenna
Object Number: 1499752 Size: MF
(1)Global Positioning System (GPS) Antenna
Figure 5:

Overhead Console
Object Number: 1495835 Size: MF
(1)Cellular Microphone (UE1)
(2)Overhead Console
Figure 6:

Headliner
Object Number: 1827780 Size: MF
(1)Digital Video Disc (DVD) Player (U42)
(2)Courtesy/Reading Lamp - Center
(3)Cargo Lamp
Figure 7:

Behind Instrument Panel - Right
Object Number: 1551058 Size: MF
(1)Digital Radio Receiver (U2K)
Figure 8:

Dash Panel
Object Number: 1486698 Size: MF
(1)Speaker - LF I/P (UQA)
(2)Ambient Light Sensor (CJ3)/Ambient Light/Sunload Sensor Assembly (CJ2)
(3)Speaker - RF I/P (UQA)
Figure 9:

Radio
Object Number: 749971 Size: MF
(1)Instrument Panel
(2)Radio Antenna
(3)Radio
(4)Instrument Panel Harness
Figure 10:

Speaker - LF Door
Object Number: 749973 Size: MF
(1)Driver Door
(2)Speaker - LF Door (w/UQA)/Speaker Assembly - LF Door (w/o UQA)
Figure 11:

Speaker - RF Door
Object Number: 1491161 Size: MF
(1)Speaker - RF Door (w/UQA)/Speaker Assembly - RF Door (w/o UQA)
(2)Front Passenger Door
Figure 12:

Speaker - LR Door
Object Number: 749978 Size: MF
(1)LR Door
(2)Speaker - LR Door
Figure 13:

Speaker - RR Door
Object Number: 1491239 Size: MF
(1)Speaker - RR Door
(2)RR Door
Figure 14:

Audio Amplifier
Object Number: 749983 Size: MF
(1)Body Side Inner Lower Panel - Right
(2)Audio Amplifier
Figure 15:

Vehicle Communication Interface Module (VCIM)
Object Number: 825916 Size: MF
(1)Connectors
(2)Body Harness
(3)Rear Floor Panel
(4)Vehicle Communication Interface Module (VCIM)