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Home >> Buick >> 1995 >> LeSabre Custom >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> Testing >> Check Oil Indicator Does Not Operate Correctly >> Gauge Cluster

Gauge Cluster

  1. Turn ignition off. Disconnect oil level module connector. Connect fused jumper wire between oil level module connector terminal No. 6 (Brown/White wire) and ground. Turn ignition on. If indicator does not light, check Brown/White wire for open circuit or high resistance. Check all connectors for good terminal contact. If all circuits are okay, replace instrument cluster.
  2. If indicator does light, measure voltage between oil level module connector terminals No. 1 (Orange/Black wire) and No. 2 (Red/White wire). If voltmeter indicates 1-2 volts in one direction only, go to next step. If meter does not indicate 1-2 volts in one direction only, check Orange/Black and Red/White wires for an open circuit or high resistance. Check all connectors for good terminal contact. If all circuits are okay, replace low oil level sensor.
  3. Measure voltage between oil level module connector terminal No. 9 (Brown wire) and ground. If battery voltage is not present, check Brown wire for an open circuit, high resistance, or short to ground. If battery voltage is present, measure voltage between oil level module connector terminal No. 10 (Orange wire) and ground.
  4. If battery voltage is not present, check Orange wire for an open circuit, high resistance, or short to ground. If battery voltage is present, measure voltage between oil level module connector terminal No. 10 (Orange wire) and terminal No. 5 (Black wire). If battery voltage is not present, check Black/White wire for an open circuit or high resistance. If battery voltage is present, check oil level module connector for good terminal contact at terminals No. 4, 5, 6, 9, and 10. If terminal contact is okay, replace oil level module.