GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 Savana 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Instrument Cluster Schematics
Figure 1:

Power, Ground and Serial Data
Object Number: 1255363 Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Gages
B+ Bus - Underhood Fuse Block
IGN B Fuse, ACCY/RUN and RUN/START Bus Bars
Spare, IGN E, SIR, TBC IGN 1 and ISRV Fuses
Spare, IGN E, SIR, TBC IGN 1 and ISRV Fuses
G302
G303 and G304
Data Link Connector (DLC)
Figure 2:

Gages
Object Number: 1255364 Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Indicators
Power, Ground and Serial Data
Data Link Connector (DLC)
Fuel Controls - Fuel Pump Controls
Fuel Controls - Fuel Pump Controls
Figure 3:

Indicators
Object Number: 1255365 Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Gages
Turn Signals
Data Link Connector (DLC)
Brake Warning System Schematics
G103, G104, G105, G106, G300 and G301