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Fuel Sending Unit Resistance Test

  1. Turn ignition switch to OFF position. Remove fuel sending unit from tank. Connect ohmmeter to sending unit terminals No. 2 and 3. Sending unit connector terminals are located opposite harness connector terminals. See Figure.
  2. Move sender arm and ensure resistance is within specification. See FUEL SENDING UNIT RESISTANCE SPECIFICATIONS  table. After a short delay, gauge pointer should move when sender is connected and float arm is moved.
FUEL SENDING UNIT RESISTANCE SPECIFICATIONS

Float Position Ohms
Full 4
Half 51
Empty 107
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