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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 107 (Instrument Panel - C/K Series Pickups) >> Description & Operation >> Fuel Gauge

Fuel Gauge

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Fuel gauge is an electrical instrument which measures current flow from variable-resistance fuel gauge sending unit in fuel tank. When fuel level in tank is high, fuel gauge sending unit resistance is high. Fuel sending unit is located on or near top of fuel tank. Some units use short connector lead, while others have harness connected directly to unit.

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