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Home >> GMC >> 1999 >> Yukon Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Analog >> Operation >> Coolant Temperature Gauge

Coolant Temperature Gauge

Coolant temperature gauge senses resistance of coolant temperature sending unit, mounted in cylinder head. As coolant temperature changes, current through gauge changes, causing gauge pointer to move.