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Coolant Temperature Sensor/Switch (For Computer)

Cold Engine Engine Block (Thermosensor A) Cylinder Head (Thermosensor B)
1300 Continuity < 75' C (167' F) Continuity < 55' C (131' F)
1500 Continuity < 75' C (167' F) Continuity < 65' C (149' F)
Hot Engine
1300 Infinite > 75' C (167' F) Infinite > 55' C (131' F)
1500 Infinite > 75' C (167' F) Infinite > 65' C (149' F)