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Buick
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1975
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Skyhawk Base, Automatic Trans
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Repair and Diagnosis
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Heating, Ventilation & A/C (HVAC)
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HVAC Control Systems
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Automatic Temperature Control
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Testing
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Automatic Climate Control System Functional Test
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"OFF" - Dial @ 65
"OFF" - Dial @ 65
Air should be discharged out heater outlet at a fixed low blower speed. No compressor operation.