GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Bonneville 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Power and Grounding Component Views
Figure 1:

Ground Locations
Object Number: 1395249 Size: MF
(1)G101
(2)G102
(3)G107
(4)G103
(5)G105
(6)G201
(7)G301
(8)G303
(9)G404
(10)G305
(11)G401
(12)G402
(13)G302
(14)G310
(15)G300
(16)G200
(17)G104
(18)G106
(19)G109 (w/4.6L)
(20)G108, G110, G111 (w/4.6L)
Figure 2:

Engine Compartment, In the Right Front Corner
Object Number: 575865 Size: MF
(1)Body Harness
(2)Fuse Block-Underhood C2
(3)Forward Lamp Harness
(4)G103
(5)S100
(6)Fuse Block-Underhood C1
(7)C102
Figure 3:

Fuse Block - Underhood
Object Number: 460291 Size: LF
(1)Fuse Block-Underhood C3
(2)Fuse Block-Underhood C1
(3)Fuse Block-Underhood C2
Figure 4:

Engine Compartment, Near the Top Left Side of the Transmission - 3.8L
Object Number: 460300 Size: LF
(1)SP100, G100
(2)G104
Figure 5:

Engine, On the Lower Front Side - 3.8L
Object Number: 575880 Size: MF
(1)Starter Solenoid
(2)G101
(3)Positive Battery Cable
Figure 6:

Engine, Below the Ignition Control Module - 3.8L
Object Number: 634712 Size: MF
(1)G102
(2)SP105, G105
Figure 7:

Engine Compartment, On the Left Side
Object Number: 735444 Size: LF
(1)Brake Fluid Level Switch
(2)Cruise Control Module (CCM)
(3)G106
(4)Inflatable Restraint Front End Sensor
(5)C101
(6)P100
(7)C112
Figure 8:

Engine Compartment, In the Right Front Side - 3.8L
Object Number: 575867 Size: MF
(1)Ignition Control Module (ICM)
(2)Radiator
(3)Negative Ground Cable
(4)G107
(5)Underhood Fuse Block
(6)Positive Battery Cable
Figure 9:

Engine, on the Left Side - 4.6L
Object Number: 598784 Size: MF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Engine Coolant Temperature (ECT) Sensor
(3)G109
(4)C101
(5)S103
(6)S104
(7)C100
(8)Throttle Position (TP) Sensor
(9)Idle Air Control (IAC) Sensor
(10)Manifold Absolute Pressure (MAP) Sensor
Figure 10:

Engine Compartment Left Front, Lower - 4.6L
Object Number: 1392034 Size: MF
(1)G111
(2)G110
(3)G108
Figure 11:

Passenger Compartment, Lower Left Front Corner
Object Number: 461069 Size: LF
(1)C215
(2)S215
(3)S216
(4)P100
(5)Inflatable Restraint Steering Wheel Module Coil
(6)C200
(7)C202
(8)To Stop Lamp Switches
(9)C500
(10)G200
(11)S217
(12)Park Brake Switch
Figure 12:

Passenger Compartment, In the Right Front Corner
Object Number: 575861 Size: MF
(1)Blower Motor Connector
(2)Inflatable Restraint IP Module
(3)G201
(4)C600
(5)Right Side Body Harness
(6)Dash Integration Module (DIM), C1
(7)Dash Integration Module (DIM), C2
(8)Dash Integration Module (DIM), C3
(9)P102
(10)C201
(11)S210
Figure 13:

Passenger Compartment, Behind the Center Dash Panel
Object Number: 599799 Size: MF
(1)Dash Panel
(2)IP Wiring Harness
(3)Ignition Switch C1
(4)Ignition Switch C2
(5)Ignition Switch Lamp
(6)Ignition Switch
(7)Theft Deterrent Exciter Module
Figure 14:

Passenger Compartment, Under the Left Front Seat
Object Number: 575888 Size: MF
(1)G300, SP300
Figure 15:

Passenger Compartment, Under the Right Front Seat
Object Number: 576100 Size: MF
(1)G301, SP301
(2)SP303, G303
Figure 16:

Passenger Compartment, Under the Left Side of the Rear Seat
Object Number: 575851 Size: MF
(1)Rear Fuse Block
(2)Left Body Harness
(3)SP302, G302
(4)Lateral Acceleration Sensor
Figure 17:

Passenger Compartment, Under the Right Side of the Rear Seat
Object Number: 575864 Size: MF
(1)G305
(2)Body Harness, Right Side
(3)Battery
(4)C305
(5)S345 (w/UE1)
(6)Battery Positive Cable
(7)Fuse Block - Rear
Figure 18:

Passenger Compartment, On the Left Rear Pillar
Object Number: 575859 Size: MF
(1)G310
(2)Body Harness, Left Rear
(3)Rear Window Defogger Connector
Figure 19:

Passenger Compartment, On the Right Rear Pillar
Object Number: 575856 Size: MF
(1)C405
(2)Rear Window Defogger Connector
(3)G404
(4)High Mount Stoplamp Connector
Figure 20:

Rear Compartment, In the Right Rear Corner
Object Number: 575882 Size: MF
(1)Remote Playback Device-CD Changer
(2)C402 (Right); C400 (Left)
(3)SP401, G401 (Right); SP402, G402 (Left)
(4)Right Body Harness (Left Similiar)