GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 CTS - RHD 🢒 Engine 🢒 Engine Controls - 2.6L and 3.2L 🢒 Power and Grounding Component Views
Figure 1:

Battery and the Rear Fuse Blocks
Object Number: 803909 Size: LF
(1)Battery Positive Cable
(2)Battery
(3)Battery Positive Cable
(4)Fuse Block- Right Rear
(5)Fuse Block- Left Rear
Figure 2:

Front of the Engine Compartment
Object Number: 804277 Size: LF
(1)Battery Negative Cable
(2)Battery
(3)Battery Positive Cable
(4)Battery Positive Cable Connection to Fuse Block- Underhood
(5)C102
(6)A/C Refrigerant Pressure Sensor
(7)A/C Refrigerant Pressure Sensor Connector
(8)Fuse Block- Underhood
(9)Engine Control Module (ECM)Harness Connector
(10)Engine Control Module (ECM) Harness Grommet
(11)Harness Grommet
Figure 3:

Right Front of the Engine Compartment
Object Number: 804275 Size: LF
(1)Fuse Block- Underhood
(2)Forward Lamp Harness
(3)Harness Grommet
(4)Forward Lamp Harness Connector
(5)C101
(6)Fuse Block- Underhood
(7)Fuse Block- Underhood Assembly Retainers
(8)Fuse Block- Underhood
(9)Harness Grommet
Figure 4:

Ground Locations
Object Number: 803919 Size: MF
(1)G104
(2)G110
(3)G107
(4)G105
(5)G201
(6)G306
(7)G303
(8)G401
(9)G402
(10)G304
(11)G307
(12)G200
(13)G101
(14)G100
(15)G102
Figure 5:

Lower Left of the Engine Compartment
Object Number: 804233 Size: LF
(1)G101
(2)C105 (V8)
(3)C104 (V6) or C107 (V8)
(4)Wiring Harness Pass-through Grommet
Figure 6:

I/P Harness (1 of 2)
Object Number: 804246 Size: LF
(1)Inflatable Restraint I/P Module Connectors
(2)C201
(3)SP201
(4)C304
(5)C205
(6)Inflatable Restraint Steering Wheel Module Connectors
(7)G200
(8)C200
(9)SP203
Figure 7:

Body Harness (1 of 2)
Object Number: 803928 Size: LF
(1)G306
(2)Rear Integration Module (RIM) Connectors
(3)Rear Defogger Connectors
(4)TV Tuner Connector (Japan Only)
(5)Traffic Information Receiver Module Connector (Japan only)
(6)Inflatable Restraint Roof Rail Module Connector
(7)C305
(8)C308
(9)C300
(10)C301
(11)C200
(12)C205
(13)C304
(14)C303
(15)G201
(16)C201
(17)C306
(18)C307
(19)C312
Figure 8:

Body Harness (2 of 2)
Object Number: 803929 Size: LF
(1)Fuse Block- Right Rear
(2)Fuse Block- Left Rear
(3)C700
(4)SP302
(5)SP300
(6)G307
(7)C500
(8)G200
(9)G306
(10)G201
(11)C600
(12)SP301
(13)C800
Figure 9:

Passenger Compartment - Under Left Side of I/P
Object Number: 804268 Size: LF
(1)C200
(2)C500 Pass-through Location Hole
(3)C500
(4)G200
(5)C203
Figure 10:

Passenger Compartment - Under Right Side of I/P
Object Number: 804267 Size: LF
(1)Pass-through Grommet
(2)C600 Pass-through Location Hole
(3)C201
(4)Inflatable Restraint I/P Module (Harness Side)
(5)G201
(6)C600
Figure 11:

Passenger Compartment, Between the Left Doors
Object Number: 804269 Size: LF
(1)Pass-through Grommet
(2)SP300
(3)SP302
(4)G307
Figure 12:

Passenger Compartment - Behind Front Seats
Object Number: 804271 Size: LF
(1)Splice Pack SP303
(2)Fuse Block - Right Rear
(3)Fuse Block - Left Rear
(4)G306 (Hidden)
(5)Inflatable Restraint Sensing and Diagnostic Module (SDM)
Figure 13:

Left Rear of the Vehicle
Object Number: 803972 Size: LF
(1)C420
(2)Evaporative Emissions (EVAP) Canister Vent Solenoid
(3)Fuel Tank Pressure Sensor
(4)Fuel Pump and Sender Assembly
(5)Fuel Tank Pressure Sensor
(6)Fuel Pump and Sender Assembly
(7)Pass-through Grommet
(8)S301
(9)G401 (Hidden)
Figure 14:

Passenger Compartment - Left Sail Panel
Object Number: 804273 Size: LF
(1)G303
(2)C308
(3)Inflatable Restraint Roof Rail Module - Driver Connector
(4)C305
(5)Rear Defogger Connector C1
Figure 15:

Rear of the Vehicle
Object Number: 803970 Size: LF
(1)C421
(2)Rear Compartment Lid
(3)Rear Compartment Lid Release Actuator Connector
(4)Rear Compartment Lid Release Actuator
(5)S400
(6)Pass-through Grommet
(7)G401
(8)G402
(9)Pass-through Grommet