GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2007
🢒
TrailBlazer - 4WD
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Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Instrument Cluster Schematics
Figure
1:
Power, Ground, Serial Data, and MIL
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages
B+ Bus - Underhood Fuse Block
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
BCK/UP, BTSI, IGN E, TBC IGN 1, and TRLR BCK/UP Fuses
BCK/UP, BTSI, IGN E, TBC IGN 1, and TRLR BCK/UP Fuses
G102
SP205
Wiper/Washer Switch and Washer Fluid Level Switch
Module Power, Ground, Serial Data, and MIL
Module Power, Ground, Serial Data, and MIL
Module Power, Ground, Serial Data, and MIL
Figure
2:
Gages
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and DIC Controls
Power, Ground, Serial Data, and MIL
SP205
Figure
3:
Indicators and DIC Controls
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Fuel Gage
Gages
Left Turn Signals
Right Turn Signals
SP205
Displays and Gages Schematic Icons
G302 - 1 of 2, G303, and G304
I/P Dimming Supply - 2 of 2
G302 - 1 of 2, G303, and G304
I/P Dimming Supply - 2 of 2
Figure
4:
Fuel Gage