GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 G8 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Passenger Compartment/Roof Component Views
Figure 1:

Exterior Trim G8
Object Number: 2044418 Size: MF
(1)Windshield Pillar Garnish Molding
(2)Roof Weld Joint Reveal Molding
(3)Body Side Roof Drip Molding
(4)Rocker Panel Molding
(5)Front Emblem/Nameplate
Figure 2:

Windshield and Body Side Glass Component Views
Object Number: 2007789 Size: LF
(1)Rear Door Window Glass
(2)Datum Pin
(3)Foam Spacer
(4)Rearview Mirror Boss
(5)Rain Sensor Boss (If Fitted)
(6)Windshield
(7)VIN Viewing Area
(8)Front Door Window Glass
(9)Rear Door Stationary Window Glass
Figure 3:

Hood Latch Assembly, Trunk Latch Assembly, Front Door Latch Assembly and Rear Door Latch Assembly
Object Number: 1958117 Size: LF
(1)Hood Latch Assembly
(2)Trunk Latch Assembly
(3)Front Door Latch Assembly
(4)Rear Door Latch Assembly
Figure 4:

Roof Subsystem Components
Object Number: 1962272 Size: LF
(1)Sunroof Housing Front Drain Hose (Upper)
(2)Sunroof Control Switch
(3)Overhead Console
(4) Sunroof Module
(5) Sunroof Housing Rear Drain Hose (Upper)
(6) Sunroof Housing Rear Drain Hose (Lower)
(7)Sunroof Housing Front Drain Hose (Lower)
Figure 5:

Infotainment Unit, Amplifier, Antenna and Speakers
Object Number: 1957175 Size: MF
(1)Subwoofer Amplifier
(2)Speaker - LR Subwoofer
(3)Diversity Antenna Module
(4)Speaker - LR Door
(5)Roof Antenna
(6)Speaker - LF Door
(7)Speaker - LF I/P Tweeter
(8)Speaker - I/P Centre
(9)Infotainment Assembly
(10)Speaker - RF I/P Tweeter
(11)Speaker - RF Door
(12)Speaker - RR Door
(13)Speaker - RR Subwoofer
Figure 6:

Lamp Switches
Object Number: 2044439 Size: LF
(1)Instrument Panel Dimmer Switch
(2)Turn Signal Switch
(3)Headlamp Switch
(4)Hazard Warning Switch
Figure 7:

Interior Lamps
Object Number: 2044438 Size: LF
(1)Rear Dome Lamp Assembly
(2)Front Dome Lamp Assembly
(3)Transmission Floor Shift Control Indicator Lamp
(4)Rear Compartment Lamp Assembly
Figure 8:

Heated Seat Component Views (KA1)
Object Number: 2041472 Size: MF
(1)Heated Seat Switch (Multi Function)
(2)Heated Seat Control Module - Driver
(3)Heated Seat Control Module - Passenger
Figure 9:

Heated Seat Component Views
Object Number: 2043392 Size: MF
(1)Right Seat Back Heating Element
(2)Left Seat Back Heating Element
(3)Right Seat Cushion Heating Element
(4)Left Seat Cushion Heating Element
(5)Right Seat Heating Temperature Sensor
(6)Left Seat Heating Temperature Sensor
Figure 10:

Passenger Presence System
Object Number: 2056061 Size: MF
(1)Front Seat Back
(2)Front Seat Cushion Pad
(3)Passenger Presence System Sensor Pad
(4)Front Seat Cushion Pad Frame
(5)Front Seat Cable Tray
(6)Passenger Presence System Module
Figure 11:

SIR Component Location
Object Number: 2049186 Size: MF
(1)Inflatable Restraint Roof Rail Module (Left Side)
(2)Seat Belt Anchorage Pretensioner (Left Side)
(3)Inflatable Restraint Side Impact Module (Left Side)
(4)Inflatable Restraint Steering Wheel Module
(5)Inflatable Restraint Roof Rail Module (Right Side)
(6)Inflatable Restraint Front End Sensor (Left Side)
(7)Inflatable Restraint Instrument Panel Module
(8)Inflatable Restraint Front End Sensor (Right Side)
(9)Seat Belt Anchorage Pretensioner (Right Side)
(10)Seat Belt Retractor Pretensioner (Right Side)
(11)Inflatable Restraint Side Impact Sensor (Right Side)
(12)Inflatable Restraint Side Impact Module (Right Side)
(13)Sensing and Diagnostic Module (SDM)
(14)Inflatable Restraint Side Impact Sensor (Left Side)
(15)Seat Belt Retractor Pretensioner (Left Side)
Figure 12:

4 Way Power Seat
Object Number: 2044773 Size: MF
(1)Seat Buckle
(2)Front Seat Cushion Inner Trim Panel
(3)Front Seat Back Cover Pad
(4)Front Seat Head Restraint
(5)Lumber Adjuster Support
(6)Front Seat Back Frame
(7)Front Seat Back Trim
(8)Lumber Adjuster Knob
(9)Front Seat Cushion Outer Trim Panel
(9a)Front Seat Switch-Up/Down Tilt
(10)Recliner Adjustment Knob
(11)Front Seat Adjuster
(11a)Seat Adjuster Motor - Horizontal
(11b)Seat Adjuster Motor - Vertical
(12)Front Seat Adjuster
(13)Front Seat Cable Tray
(14)Front Seat Cushion Pad Frame
(15)Front Seat Cushion Pad
(16)Front Seat Belt SIR Anchorage
Figure 13:

6 Way Power Seat
Object Number: 2044772 Size: MF
(1)Seat Buckle and Pretensioner
(2)Front Seat Cushion Inner Trim Panel
(3)Front Seat Back Cover Pad
(4)Front Seat Head Restraint
(5)Lumber Adjuster Support
(6)Front Seat Back Frame
(7)Front Seat Back Trim
(8)Lumber Adjuster Knob
(9)Front Seat Cushion Outer Trim Panel
(9a)Front Seat Switch-Up/Down/Tilt Backwards/Forwards
(10)Recliner Adjustment Knob
(11)Front Seat Adjuster
(11a)Seat Adjuster Motor - Horizontal
(11b)Seat Adjuster Motor - Vertical
(11c)Seat Adjuster Motor - Recliner
(12)Front Seat Adjuster
(13)Front Seat Cable Tray
(14)Front Seat Cushion Pad Frame
(15)Front Seat Cushion Pad
(16)Front Seat Belt SIR Anchorage
Figure 14:

Steering Angle Sensor, Brake Pedal Position Sensor, ESP Switch and Yaw Rate/Lateral Accelerometer Sensor
Object Number: 1960716 Size: LF
(1)SRS Coil Assembly (Incorporates the Steering Angle Sensor, SRS Coil and Indicator Cancel Cam Assembly)
(2)ESP Switch
(3)Yaw Rate/Lateral Accelerometer Sensor
(4)Brake Pedal Position Sensor