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Home >> GMC >> 1989 >> Rally G2500, 4.3 Z, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Diesel >> Operation >> Glow Plug After-Start
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Glow Plug After-Start

The glow plug controller provides glow plug operation after starting a cold engine. This after-start operation is initiated when the ignition switch is returned to "RUN" from the "START" position.