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Home >> Mazda >> 1989 >> 323 Base, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Mechanical >> Engine Cooling Fan >> Component Testing >> THERMO Switch
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THERMO Switch

Remove thermo switch, located left of distributor, and check continuity. Suspend switch in container filled with water and heat. See Figure . Switch is normally closed. Continuity should exist at less than 207°F (97°C) and circuit should open above specified temperature. If continuity does NOT exist as indicated, replace thermo switch.