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Home >> Buick >> 1987 >> Regal Base, 3.8 7 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Electronic >> Testing >> Open Fuel Gauge Sending Unit Test

Open Fuel Gauge Sending Unit Test

  1. Disconnect fuel gauge sending unit connector. Connector is located behind rear bumper. Using a jumper wire, connect Pink wire on harness side of connector to ground. Place ignition switch in "RUN" position.
  2. If fuel gauge displays a flashing "E", replace fuel gauge sending unit. If not, check Pink wire for an open circuit. If wire is okay, replace instrument cluster.