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Oil Pressure Gauge Test

  1. Remove instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Using fused jumper wire, apply battery voltage to cluster terminal No. 6 (Black/Yellow wire on mating 14-pin connector). Connect cluster terminal No. 9 (Black wire on mating 14-pin connector) to ground.
  2. Connect one lead of Gauge System Tester (021-00055) to cluster terminal No. 6 (Pink/Yellow wire on mating 16-pin connector). Connect remaining tester lead to ground.
  3. Set tester to resistance specified in illustration. See Fig 1 . If oil pressure gauge indicates as specified, return to appropriate PINPOINT TEST. Replace temperature gauge if it does not indicate as specified.
Fig 1: Testing Oil Pressure Gauge
G95D13527Courtesy of FORD MOTOR CO.