Operation CHARM
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Pontiac
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1990
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6000 V6-191 3.1L
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Steering and Suspension
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Relays and Modules - Suspension
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Compressor/Pump Relay
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Description and Operation
Compressor/Pump Relay: Description and Operation
The compressor relay is controlled by the height sensor and completes the 12 volt circuit to the compressor.