Operation CHARM
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Pontiac
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1989
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Bonneville V6-3800 3.8L
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Repair and Diagnosis
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Heating and Air Conditioning
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Blower Motor
Blower Motor
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Description and Operation
Automatic Climate Controls
Manual Climate Controls
Testing and Inspection
Initial Inspection and Diagnostic Overview
System Diagnosis
Automatic Climate Controls
Manual Climate Controls
Troubleshooting Hints
Automatic Climate Controls
Manual Climate Controls
Component Tests and General Diagnostics
Automatic Climate Controls
Test A: Blower Motor Test
Test B: Blower Control Module Test
Test C: Heater and A/C Control Assembly Test
Test D: HTR and A/C Control Assembly Rear Defogger Control Test
Manual Climate Controls
Test A: Blower Motor Test
Test B: A/C Mode Selector Test
Test C: Blower Resistor Test
Test D: Blower Relay Test
Table One
Table Two
Test E: Blower Switch Test
Table One
Table Two
Locations
Component Locations
Blower Control Module
Blower Motor
Harness Locations
Service and Repair
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
Automatic Climate Controls
Manual Climate Controls
Technical Service Bulletins
