Operation CHARM
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Buick
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1995
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Park Avenue Ultra V6-3.8L SC VIN 1
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Testing and Inspection
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Component Tests and General Diagnostics
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Circuit Operation - Digital Cluster
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Oil Pressure Indicator
Oil Pressure Indicator
When oil pressure drops below
10 psi
, the instrument cluster turns on the OIL indicator in response to the oil pressure sender/switch resistance.