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Home >> Ford >> 1992 >> Explorer 4D Utility, RWD, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Testing >> Oil Pressure Gauge >> Calibration Test (With Tester)

Calibration Test (With Tester)

  1. Disconnect connector from oil sender and connect to Rotunda Gauge Tester (021-00055). Connect other tester lead to ground on vehicle. Turn ignition switch to ACC position.
  2. Place tester switch in LOW (73 ohms) position. If gauge does not move, go to next step. If gauge reads "L", set gauge tester to HIGH (9.7 ohms) position. If gauge reads approximately midrange on scale, replace sender. If gauge does not read approximately midrange on scale, go to next step.
  3. Check sender circuit wiring for shorts and opens with ohmmeter. If wiring is okay, replace gauge. If wiring is shorted or open, repair wiring as necessary. See appropriate chassis wiring diagram in the WIRING DIAGRAMS Section.
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