GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
Blazer - 2WD
🢒
Body and Accessories
🢒
Body Control System
🢒 Instrument Cluster Schematics
Figure
1:
Power and Ground
Master Electrical Component List
Instrument Cluster Description and Operation
Indicators
AUX PWR, RDO BATT and HDLP SW Fuses
Ign ACC, RUN and RAP Bus Bar
TURN, SIR and GAUGES Fuses
AUX PWR, RDO BATT and HDLP SW Fuses
HVAC and CRUISE Fuses
CRANK and CLSTR Fuses
TURN, SIR and GAUGES Fuses
Class 2 Serial Data
G103 and G105 - 4.3L
G103 and G105 - 4.3L
G103 and G105 - 2.2L
G103 and G105 - 2.2L
Figure
2:
Indicators
Master Electrical Component List
Instrument Cluster Description and Operation
Gages
Power and Ground
Instrument Panel Cluster, BCM and Automatic Transmission Indicators
G203 and G204 - Utility w/Manual A/C
G203 and G204 - Utility w/Manual A/C
Instrument Cluster Turn Signal Indicators
G203 and G204 - Utility w/Manual A/C
Module Power, Ground, Serial Data and MIL
Module Power, Ground, Serial Data and MIL
G200, G201, G207, and G300- Pickup and Crew Cab
G200, G201, G207, and G300- Pickup and Crew Cab
Figure
3:
Gages
Master Electrical Component List
Instrument Cluster Description and Operation
Fuel Level Sensor Signal
Indicators
Figure
4:
Fuel Level Sensor Signal
Master Electrical Component List
Instrument Cluster Description and Operation
Gages
Fuel and Evap Controls
Fuel Controls - EVAP Controls