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Home >> Isuzu >> 1995 >> Trooper LS, Automatic >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> System Testing >> Fuel Gauge Sending Unit

Fuel Gauge Sending Unit

  1. Place fuel gauge sending unit on test bench. Connect ohmmeter to fuel gauge sending unit terminals No. 1 and 2. SeeFig 1 .
  2. As float is moved, resistance reading should change smoothly. See FUEL GAUGE SENDING UNIT RESISTANCE  . Connect ohmmeter to fuel gauge sending unit terminals No. 1 and 4. Resistance should be 17.9-35.9 ohms (infinite resistance on 1996). If resistance readings are not as specified, replace sending unit.
FUEL GAUGE SENDING UNIT RESISTANCE

Sending Unit Position Ohms
Empty (1) 115-125
1/2 43.5-46.5
Full 16.2-17.8
(1) Infinite resistance on 1996.
Fig 1: Measuring Fuel Gauge Sending Unit Resistance
G93I01616