Power and Grounding Component Views. Cadillac CTS 2004

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2004 🢒 CTS 🢒 Engine 🢒 Engine Controls - 5.7L 🢒 Power and Grounding Component Views

Figure 1:

Battery and Fuse Blocks


(1)	Fuse Block - Underhood
(2)	Battery Positive Cable Connection to Fuse Block - Underhood
(3)	Ground G105 (LHD)
(4)	Battery Positive Cable (LHD)
(5)	Battery (LHD)
(6)	Battery Negative Cable (LHD)
(7)	C103 (LHD)
(8)	Fuse Block - Right Rear
(9)	Fuse Block - Left Rear
(10)	Battery (RHD)
(11)	Battery Negative Cable (RHD)
(12)	Ground G105 (RHD)
(13)	C103 (RHD)
(14)	Battery Positive Cable (RHD)

Figure 2:

Battery Positive Cable (LHD) - 2.6L/3.2L (LY9/LA3)


(1)	Generator
(2)	Battery Positive Cable Connection to Generator
(3)	Battery Positive Cable Connection to Starter
(4)	Starter

Figure 3:

Battery Positive Cable (RHD) - 2.6L/3.2L (LY9/LA3)


(1)	Generator
(2)	Battery Positive Cable Connection to Generator
(3)	Battery Positive Cable Connection to Starter
(4)	Starter
(5)	Battery Positive Cable at Rear of Engine

Figure 4:

Battery Positive Cable - 3.6L (LY7)


(1)	Battery Positive Cable Connection to Starter
(2)	Starter
(3)	Generator
(4)	Battery Positive Cable Connection to Generator

Figure 5:

Battery Positive Cable - 5.7L (LS6)


(1)	Battery Positive Cable Connection to Starter
(2)	Starter
(3)	Battery Positive Cable Connection to Generator
(4)	Generator

Figure 6:

Ignition Switch


(1)	Ignition Key Alarm Switch
(2)	Ignition Switch
(3)	Ignition Lock Cylinder Case

Figure 7:

Ground Locations


(1)	G104
(2)	G110
(3)	G130 (LY7), G142 (LS6)
(4)	G105 (LHD)
(5)	G201
(6)	G306
(7)	G303
(8)	G401
(9)	G402
(10)	G304
(11)	G307
(12)	G200
(13)	G101
(14)	G105 (RHD)
(15)	G100 (LY9/LA3), G107 (LY9/LA3), G131 (LY7), G141 (LS6), G140 (LS6)
(16)	G102 (RHD w/LY9/LA3)
(17)	G102 (LHD w/LY9/LA3)
(18)	G132 (LY7)
(19)	G133 (LY7)

Figure 8:

Forward Lamp, I/P and ABS Harness Grounds


(1)	ABS Ground G110
(2)	Forward Lamp Harness Ground G104
(3)	I/P Harness Ground G101

Figure 9:

Battery Negative Cable (LHD) - 2.6L/3.2L (LY9/LA3)


(1)	Battery Negative Cable Connection to Battery
(2)	Ground G105
(3)	C103
(4)	Ground G102

Figure 10:

Battery Negative Cable (RHD) - 2.6L/3.2L (LY9/LA3)


(1)	Ground G105
(2)	Battery Negative Cable Connection to Battery
(3)	C103
(4)	Ground G102

Figure 11:

Engine Grounds - 2.6L/3.2L (LY9/LA3)


(1)	ECM Case Ground
(2)	Engine Control Module (ECM)
(3)	Ground G107
(4)	Ground G100

Figure 12:

Battery Negative Cable - 3.6L (LY7)


(1)	Ground G102
(2)	Battery Negative Cable Connection to Battery
(3)	Ground G105
(4)	C103

Figure 13:

Engine Grounds - 3.6L (LY7)


(1)	Ground G130
(2)	Ground G131
(3)	Engine Control Module (ECM)
(4)	Ground G132
(5)	ECM Case Ground
(6)	ECM Case Ground
(7)	Engine Control Module (ECM)
(8)	Ground G133

Figure 14:

Battery Negative Cable - 5.7L (LS6)


(1)	Battery Negative Cable Connection to Battery
(2)	C103
(3)	Ground G105
(4)	Ground G102

Figure 15:

Engine Grounds - 5.7L (LS6)


(1)	Ground G141
(2)	Manifold Absolute Pressure (MAP) Sensor
(3)	Ground G142
(4)	Camshaft Position (CMP) Sensor
(5)	Engine Oil Pressure (EOP) Sensor
(6)	Ground G140

Figure 16:

Passenger Compartment Grounds 1 of 2


(1)	Body Harness Ground G201
(2)	Body Harness Ground G303
(3)	Body Harness Ground G304
(4)	Body Harness Ground G200

Figure 17:

Passenger Compartment Grounds 2 of 2


(1)	Body Harness Gound G307
(2)	Body Harness Gound G306

Figure 18:

Rear Compartment Grounds


(1)	Body Harness Ground G402
(2)	Body Harness Ground G401

Figure 19:

Rear of the Vehicle


(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