GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Engine Electrical Component Views
Figure 1:

Right Rear of the Passenger Compartment, Under the Rear Seat
Object Number: 524955 Size: LF
(1)Battery (Positive Terminal)
(2)Battery (Negative Terminal)
(3)G300
(4)SP300
(5)G301 (SP301)
(6) Fuse Block -- Rear
(7)S322 (w/V4U)
(8)S323 (w/B9Q)
(9)SP308
(10)SP307
Figure 2:

Engine Compartment, Lower Right Side of the Engine
Object Number: 524982 Size: LF
(1)A/C Compressor Clutch
(2)Generator
Figure 3:

Engine Compartment, Under the Intake Manifold Center
Object Number: 525025 Size: LF
(1)Starter Solenoid
Figure 4:

Auxiliary Generator (V4U Only)
Object Number: 757064 Size: MF
(1)Auxiliary Test Connector
(2)Auxiliary Generator