Operation CHARM
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GMC Truck
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1997
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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4
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Repair and Diagnosis
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Heating and Air Conditioning
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Control Assembly
Control Assembly
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Description and Operation
Locations
Component Locations
Assembly View
Harness View
Connector Locations
Heater and A/C Controller Connectors
C1 (Mode Controls)
C2 (Temperature Controls)
C3 (Blower Controls)
C4 (Illumination)
Heater and A/C Controller Vacuum Connector
Harness Locations
Service and Repair
Control Assembly and Blower Switch
Heating and Ventilation System (W/Out A/C)
With A/C
Control Assembly Lamp Bulb
Heating and Ventilation System (W/Out A/C)
With A/C
Specifications
