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Mump 1005 05 O Mustang Instruments Tech Inside Temp Oil And Fuel Gauge
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Here's what the inside of a temperature, oil pressure, and fuel gauge looks like. Two elements contribute to gauge function-a bimetallic strip and heating element (resistor). As current flows through the resistor (heating element), it gets warm. As it warms, it acts on the bimetallic strip attached to the needle (by expanding), causing the needle to move to the right. The geared elements are the instrument's calibration points.
