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Home >> Pontiac >> 1983 >> 1000 4D Hatchback, 1.6 C, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - 4-CYL Diesel >> Testing >> Glow Plug System >> Thermo Switch
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Thermo Switch

Submerge end of thermo switch in water and gradually raise water temperature. Make a continuity test across terminal and body. If no continuity, replace switch.