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Gauge Stays At "E" (Empty)

  1. Disconnect fuel tank sending unit connector. Turn ignition on. If gauge indicates "F", replace sending unit. If gauge indicates "E", turn ignition off. Disconnect VCM Blue connector. Turn ignition on. If gauge indicates "F", replace VCM. If gauge indicates "E", go to next step.
  2. Turn ignition off. Disconnect instrument cluster connector. Connect self-powered test light between instrument cluster connector terminal B2 (Purple wire) and ground. See Fig 1 . If test light does not come on, replace fuel gauge. If test light comes on, repair short to ground in Purple wire.
Fig 1: Instrument Cluster Connector
G97C28318Courtesy of GENERAL MOTORS CORP.
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