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Chevrolet
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2000
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Prizm L4-108 1.8L DOHC VIN 8 MFI
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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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Relays and Sensors Description
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A/C Switch
A/C Switch
The A/C switch, mounted in the heater control unit, signals the
A/C compressor control module
that A/C system operation has been requested.