Frontier SC King Cab 2WD V6-3.3L SC (VG33ER) (2002)
Fuel Gauge: Description and Operation
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank. The reading on the gauge is based on the resistance of the fuel level sensor unit.
The fuel gauge is regulated by a variable ground signal supplied
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to combination meter terminal 47 for the fuel gauge
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through fuel level sensor unit terminal G (with VG33E and VG33ER)
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through fuel level sensor unit terminal E (with VG33E and VG33ER)
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through body grounds M14 and M68.