GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 Savana 🢒 Engine 🢒 Engine Electrical 🢒 Starting and Charging Schematics
Figure 1:

Starting System
Object Number: 1252223 Size: FS
Master Electrical Component List
Starting System Description and Operation
Charging System
IGN A Fuse, Start, ACCY/RUN/START and RUN Bus Bars
IGN B Fuse, ACCY/RUN and RUN/START Bus Bars
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: 1252239 Size: FS
Master Electrical Component List
Charging System Description and Operation
Starting System
Data Link Connector (DLC)
B+ Bus - Underhood Fuse Block