GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 DTS 🢒 Body Systems 🢒 Lighting 🢒 Lighting Systems Component Views
Figure 1:

Lower Left Side of I/P
Object Number: 1657017 Size: LF
(1)Park Brake Switch
(2)Instrument Cluster
(3)Brake Pedal Position Sensor
(4)Accelerator Pedal Position (APP) Sensor
Figure 2:

Front Lights
Object Number: 1657312 Size: LF
(1)Repeater Lamp - Right (EXP)
(2)Turn Signal / DRL Lamp - Right Front
(3)Turn Signal / DRL Lamp - Left Front
(4)Repeater Lamp - Left (EXP)
(5)Marker Lamp - Left Front
(6)Cornering Lamp - Left Front
(7)Fog Lamp - Left Front
(8)Headlamp High / Low - Left Front
(9)Headlamp High / Low - Right Front
(10)Fog Lamp - Right Front
(11)Cornering Lamp - Right Front
(12)Marker Lamp - Right Front
Figure 3:

Steering Column Components
Object Number: 1657337 Size: LF
(1)Turn Signal/Multifunction Switch
(2)Traction Control Switch (AV8)
(3)Column Shifter Shift Lock Control Solenoid (AV8)
(4)Ignition Key Alarm Switch
(5)Theft Deterrent Module (TDM)
(6)Ignition Switch
(7)Inflatable Restraint Steering Wheel Module Coil
(8)Steering Angle Sensor (JL4)
(9)Telescoping Actuator (N37)
(10)Tilt Actuator (N37)
(11)Tilt/Telescope Switch (N37)
Figure 4:

Lower Left Side of I/P
Object Number: 1657017 Size: LF
(1)Park Brake Switch
(2)Instrument Cluster
(3)Brake Pedal Position Sensor
(4)Accelerator Pedal Position (APP) Sensor
Figure 5:

I/P Components
Object Number: 1657309 Size: MF
(1)Instrument Panel Cluster (IPC)
(2)Hazard Switch
(3)Sunload Twilight Sensor
(4)Speaker - Front Center
(5)I/P Compartment Lamp
(6)Valet Switch
(7)Radio/Navigation Unit (U3Q)
(8)Auxilary Power Outlet (AV8-DT4), Cigar Lighter (AV8+DT4)
(9)Ashtray Lamp (AV8)
(10)HVAC Control Module
(11)Data Link Connector (DLC)
(12)Air Temperature Sensor - Inside
(13)Rear Compartment Lid Release Switch
(14)Driver Information Center (DIC) Switch
(15)Headlamp Switch
Figure 6:

Headliner Components - Bottom
Object Number: 1657333 Size: LF
(1)Sunshade - Left Rear (DC5)
(2)Rear Park Assist Indicator (UFR)
(3)Courtesy Lamp - Right Rear (V4U)
(4)Sunshade - Right Rear (DC5)
(5)Garage Door Opener Transmitter (UG1)
(6)Noise Compensation Microphone (UQA)
(7)Courtesy Lamp - Right Front (V4U)
(8)Sunshade - Right Front
(9)Sunshade Switch (DE9)
(10)Inflatable Restraint I/P Module Indicator
(11)Inside Rearview Mirror (ISRVM)
(12)Onstar Button Assembly (UE1)
(13)Sunroof Switch (CF5)
(14)Sunshade - Left Front (- V4U)
(15)Courtesy Lamp - Left Front (V4U)
(16)Cellular Microphone (UE1/U3Q/U3R/U3U)
(17)Courtesy Lamp - Left Rear (V4U)
Figure 7:

Driver Door Components
Object Number: 1657313 Size: LF
(1)Door Frame
(2)Outside Rearview Mirror - Driver
(3)Heated and Cooled Seat Switch - Driver (KB6)
(4)Memory/Personalization Function Switch (A45)
(5)Mirror Switch
(6)Speaker - Left Front Door
(7)Window Switch - Driver Door
(8)Window Motor - Driver
(9)Courtesy Lamp - Left Front Door
(10)Door Lock Switch Assembly
(11)Door Latch Assembly - Driver
(12)Door Lock Key Cylinder Switch - Driver
Figure 8:

Passenger Door Components
Object Number: 1657321 Size: LF
(1)Outside Rearview Mirror - Passenger
(2)Door Frame
(3)Door Latch Assembly - Front Passenger
(4)Courtesy Lamp - Right Front Door
(5)Window Motor - Front Passenger
(6)Speaker - Right Front Door
(7)Power Lock Switch - Front Passenger
(8)Window Switch - Front Passenger
(9)Heated Cooled Seat Switch (KB6) - Front Passenger
Figure 9:

Left Rear Door Components
Object Number: 1657322 Size: LF
(1)Door Frame
(2)Heated Seat Switch - Left Rear (KB6)
(3)Seat Lumbar Switch - Left Rear (ARC)
(4)Window Motor - Left Rear
(5)Speaker - Left Rear Door
(6)Courtesy Lamp - Left Rear Door
(7)Window Switch - Left Rear
(8)Door Latch Assembly - Left Rear
Figure 10:

Right Rear Door Components
Object Number: 1657324 Size: LF
(1)Door Frame
(2)Door Latch Assembly - Right Rear
(3)Courtesy Lamp - Right Rear Door
(4)Speaker - Right Rear Door
(5)Window Motor - Right Rear
(6)Window Switch - Right Rear
(7)Seat Lumbar Switch - Right Rear (ARC)
(8)Heated Seat Switch - Right Rear (KB6)
Figure 11:

Behind The Rear Seat
Object Number: 1707100 Size: LF
(1)Remote Control Door Lock Receiver (RCDLR)
(2)Rear Park Assist Indicator (UFR)
(3)Speaker - Right Rear
(4)Vehicle Communication Interface Module (VCIM) (UE1)
(5)Amplifier (UQA)
(6)Rear Compartment Courtesy Lamp
(7)Speaker - Left Rear
Figure 12:

Rear of the Vehicle
Object Number: 1657327 Size: LF
(1)Rear Window Defogger
(2)RFA Rear Glass Antenna
(3)Radio Rear Glass Antenna
(4)Center High Mounted Stop Lamp (CHMSL)
(5)Tail Lamp - Right
(6)Object Alarm Sensor - Right Rear Outer (UFR)
(7)Object Alarm Sensor - Right Rear Middle (UFR)
(8)License Lamp
(9)Object Alarm Sensor - Left Rear Middle
(10)Object Alarm Sensor - Left Rear Outer
(11)Tail Lamp - Left
(12)Remote Control Door Lock Receiver (RCDLR)
Figure 13:

Under Front Floor Console
Object Number: 1656938 Size: LF
(1)A/T Shift Lock Control Solenoid
(2)Reverse Lockout Solenoid C1 (AQ9)
(3)Reverse Lockout Solenoid
(4)Reverse Lockout Solenoid C2 (AQ9)
(5)PRNDL Lamp
(6)HVAC Control Module - Auxiliary (CJ4)
(7)Auxiliary Power Outlet - Console (AQ9)
(8)Traction Control Switch
(9)Cigar Lighter
Figure 14:

Headlamp Assemblies
Object Number: 1860642 Size: LF
(1)Headlamp Ballast - Left (-T72)
(2)X114
(3)X113
(4)Headlamp Ballast - Right (-T72)
Figure 15:

Courtesy Lamp Module Location
Object Number: 1860648 Size: LF
(1)Courtesy Lamp Module (- B9Q/V4U)
(2)Headliner Harness