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Home >> Isuzu >> 1987 >> Trooper II LS, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Diesel >> Testing >> Glow Plug System >> Thermo Switch

Thermo Switch

Continuity should exist when switch temperature is lower than 122°F (50°C). No continuity should exist when above 122°F (50°C). If switch does not operate properly, replacement is necessary.