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Home >> Isuzu >> 1986 >> Trooper II Base, 2D Utility, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Diesel >> Testing >> Glow Plug System >> Glow Plug Relays
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Glow Plug Relays

There should be no continuity across terminals "C" and "D". With battery voltage applied to terminal "A", and terminal "B" grounded, there should be continuity across terminals "C" and "D". If not, replace relay. See Figure .