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Mercury
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1990
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Colony Park V8-302 5.0L VIN F FI
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Cooling System
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Engine - Coolant Temperature Sensor/Switch
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Temperature Switch (Warning Indicator)
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Testing and Inspection
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Pinpoint Tests
Pinpoint Tests
Fig. 5 Temperature Indicating System Diagnosis: