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Home >> GMC >> 2002 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Gages, And Console >> Description and Operation >> Instrument Panel Cluster (IPC) Description and Operation >> Fuel Gage >> Single Tank (6.5L)

Single Tank (6.5L)

The fuel level is displayed in the IPC, based on the information from the fuel level sensor signal circuit. The fuel level sensor signal is a variable resistance (0-90 ohms) based on the fuel level. When the fuel tank is full the fuel level sensor resistance is high. When the fuel tank is empty the fuel level sensor resistance is low.