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Fuel Gauge & Sending Unit: Justy

  1. Turn ignition switch to ACC position. Note if fuel gauge indicates below empty. If fuel gauge does not indicate below EMPTY, replace fuel gauge.
  2. If fuel gauge indicates below EMPTY, turn ignition on. Check fuse. If fuse is okay, go to next step. If fuse is blown, or if no voltage is present on supply side of fuse, replace fuse and/or repair wiring as necessary.
  3. Measure voltage between ground and Green/White wire at combination meter left connector. If battery voltage is present, go to next step. If battery voltage is not present, check for open in wiring between fuse block and combination meter. Repair wiring as necessary.
  4. Disconnect fuel tank sending unit connector. Connect 17-ohm resistor between ground and Green/White wire of fuel tank sending unit connector. If gauge reads FULL, replace fuel tank sending unit. If gauge does not read FULL, replace fuel gauge.
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