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Fuel Gauge Test

  1. Remove instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Remove fuel indicator module from rear of instrument cluster. Using fused jumper wire, apply battery voltage to "+" terminal on gauge. Connect "-" terminal on gauge to ground.
  2. Connect one lead of Gauge System Tester (021-00055) to "F" terminal on gauge. Connect other tester lead to "-" terminal on gauge.
  3. Set tester to resistance specified in FUEL TANK SENDING UNIT RESISTANCE table. If fuel gauge indicates as specified, return to appropriate PINPOINT TEST. Replace fuel gauge if it does not indicate as specified.
FUEL TANK SENDING UNIT RESISTANCE

Fuel Gauge Resistance (Ohms)
Full 7
3/4 19
1/2 35
1/4 65
Empty 105