GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Regal 🢒 Engine 🢒 Engine Electrical 🢒 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:

Generator (RPO LG8)
Object Number: 589952 Size: LF
(1)Generator B+
(2)Generator
(3)Generator Connector
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 Left Side of Engine (LG8)
Object Number: 822934 Size: MF
(1)A/C Compressor Clutch
(2)Crankshaft Position (CKP) Sensor A
(3)Knock Sensor (KS) 1
(4)Engine Oil Pressure (EOP) Switch
(5)Engine Wiring Harness
(6)Starter Lead
(7)Positive Battery Cable
Figure 6:

Lower Front of the Engine Components (L36)
Object Number: 1036210 Size: MF
(1)Starter Solenoid B Terminal
(2)G113
(3)Battery Cable Wiring Harness
(4)Engine Wiring Harness
(5)Starter Solenoid S Terminal
(6)Engine Oil Level Sensor
(7)Knock Sensor (KS) 1
(8)Starter
Figure 7:

Lower Front of the Engine Components (L67)
Object Number: 925019 Size: MF
(1)Starter Solenoid B Terminal
(2)G113
(3)Battery Cable Wiring Harness
(4)Engine Wiring Harness
(5)Starter Solenoid S Terminal
(6)Engine Oil Level Sensor
(7)Knock Sensor (KS) 1