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Home >> Mazda >> 1984 >> B2200 >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System - CALIF >> Component Testing >> Water THERMO Switch >> A/T Models

A/T Models

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Remove water thermo switch from radiator. Immerse base of switch in container of cold water. Connect ohm meter across switch terminals. Gradually heat water and observe temperature at which circuit opens. Standard temperature should be between 59.4-66.6°F (15-19°C).