GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 Savana 🢒 Engine 🢒 Engine Electrical 🢒 Starting and Charging Schematics
Figure 1:

Starting System
Object Number: 1402970 Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Charging System
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN A Fuse
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
ENG 1 and ENG 2 Fuses - 4.3L
ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L
ENG 1 and ENG 2 Fuses - 4.3L
ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L
B+ Bus - Underhood Fuse Block
B+ Bus - Underhood Fuse Block
Figure 2:

Charging System
Object Number: 1402972 Size: FS
Master Electrical Component List
Charging System Description and Operation
Control Module References
Starting System
B+ Bus - Underhood Fuse Block
Data Link Connector (DLC) Schematics