Operation CHARM
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Mazda Truck
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1992
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Navajo 2WD V6-4.0L OHV
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Oil Pressure Gauge
Oil Pressure Gauge
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Testing and Inspection
Test A - Pointer Does Not Move
A1 - Verify Condition
A2 - Verify Cluster Performance
Test B - Temperature/Oil Gauge Inoperative
B1 - Verify Power at Fuse Panel
B2 - Verify Power at Fuse Panel
Test C - Temperature/Oil Gauge Inoperative
C1 - Verify Power at Cluster
C2 - Verify Ground Circuitry at Cluster
Test D - Temperature Gauge Inaccurate
D1 - Test Sender Circuit at Low
D2 - Test Sender Circuit at High
D3 - Check Sending Unit Circuit Wiring
Test E - Oil Gauge Inaccurate
E1 - Test Sender Circuit at Low
E2 - Check Gauge Response
D3 - Check Sending Unit/Switch Wiring
