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

Calibration Test (With Tester)

  1. Disconnect connector from temperature 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 "C", set gauge tester to HIGH (9.7 ohms) position. If gauge reads "H", replace sender. If gauge does not read "H", 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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