Operation CHARM
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1990
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Cutlass V6-189 3.1L VIN T FI
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Heating and Air Conditioning
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Blower Motor
Blower Motor
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Description and Operation
Manual A/C
Electronic A/C
Testing and Inspection
Initial Inspection and Diagnostic Overview
System Diagnosis
With Manual A/C
With Electronic A/C
Troubleshooting Hints
With Manual A/C
With Electronic A/C
Symptom Related Diagnostic Procedures
With Manual A/C
Test A - Blower Motor
Test B - High Blower Relay
Table 1of 2
Table 2 of 2
Test C - Blower Switch Test
Table 1 of 2
Table 2 of 2
Test D - Blower Resistor
Test E - Low Blower Relay
Table 1 of 2
Table 2 of 2
Test F - Heater & A/C Control Assembly Blower Control
Test G - LED
With Electronic A/C
Test A - Blower Motor Test
Test B - Heater and A/C Power Module Test
Test C - Heater and A/C Control Assembly Test
Table 1 of 2
Table 2 of 2
Locations
Component Locations
Harness Locations
Service and Repair
Blower Motor
Blower Motor Fan
Diagrams
Diagram Information and Instructions
Cell References
Schematic Symbols
Symbol Identification
Wire Color Code Identification
Diagnostic Aids
Pull-to-Seat Connectors
Push-to-Seat Connectors
Electrical Diagrams
Blower Controls
With A/C
Less Automatic Controls
With Automatic Controls
Without A/C
