GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Regal 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Engine Electrical Component Views
Figure 1:

Battery Cable and Grounding Point
Object Number: 581299 Size: LF
(1)Battery
(2)Fuse Block-Underhood
(3)G100
Figure 2:

Upper Rear of the Engine Components (LG8)
Object Number: 1219598 Size: MF
(1)Generator B+
(2)Generator
(3)Generator Connector
(4)Engine Wiring Harness
(5)C102
(6)Heated Oxygen Sensor (HO2S) 1
(7)Ignition Control Module (ICM), C2
(8)Ignition Control Module (ICM), C3
Figure 3:

Upper Rear of the Engine Components (L36)
Object Number: 924806 Size: MF
(1)Generator BAT Terminal
(2)Generator
(3)Generator Connector
(4)Heated Oxygen Sensor (HO2S) 1
(5)Fuel Injector 2
(6)Fuel Injector 4
(7)Fuel Injector 6
(8)Engine Wiring Harness
Figure 4:

Upper Rear of the Engine Components (L67)
Object Number: 924570 Size: MF
(1)Generator BAT Terminal
(2)Generator
(3)Generator Connector
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Fuel Injector 2
(6)Fuel Injector 4
(7)Fuel Injector 6
(8)Emission Evaporative (EVAP) Canister Purge Solenoid Valve
Figure 5:

Lower Front of the Engine Components (LG8)
Object Number: 1265116 Size: MF
(1)Crankshaft Position (CKP) Sensor A Connector
(2)Knock Sensor (KS) 1
(3)Engine Oil Pressure (EOP) Switch
(4)Starter
(5)Engine Wiring Harness
(6)Starter Solenoid S Terminal
(7)Fusible Link
(8)Starter Solenoid B Terminal
(9)Positive Battery Lead
(10)A/C Compressor Clutch
Figure 6:

Lower Front of the Engine Components (L36)
Object Number: 1364274 Size: MF
(1)Starter Solenoid B Terminal
(2)Fusible Link from Generator
(3)G113
(4)Battery Cable Wiring Harness
(5)Engine Wiring Harness
(6)Starter Solenoid S Terminal
(7)Engine Oil Level Sensor
(8)Knock Sensor (KS) 1
(9)Starter
Figure 7:

Lower Front of the Engine Components (L67)
Object Number: 1364339 Size: MF
(1)Starter Solenoid B Terminal
(2)Fusible Link from Generator
(3)G113
(4)Battery Cable Wiring Harness
(5)Engine Wiring Harness
(6)Starter Solenoid S Terminal
(7)Engine Oil Level Sensor
(8)Knock Sensor (KS) 1