Operation CHARM
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Chevy Truck
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2000
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Tracker 2WD L4-2.0L VIN C
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Repair and Diagnosis
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Heating and Air Conditioning
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Description and Operation
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Heating, Ventilation and Air Conditioning
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Relays and Sensors
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A/C Switch
A/C Switch
The A/C switch is mounted on the heater control unit. The A/C switch signals the A/C compressor control module that A/C system operation has been requested.