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Home >> Ford >> 1991 >> Explorer 2D Utility, RWD, Automatic >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> Testing >> Speedometer Test >> Speedometer Is Inoperative

Speedometer Is Inoperative

  1. Check speedometer head for correct attachment. If connections are bad, repair or replace. Check drive tip at transmission end of cable for proper seating in driven gear.
  2. Check operation of odometer. If odometer operates, replace speedometer head. If neither odometer or speedometer operate, to to next step.
  3. Disconnect cable at speedometer head and check that magnet shaft in head turns freely by rotating with a short section of cable core. If magnet shaft does not turn freely, replace speedometer head.
  4. Check cable drive tip at transmission for wear. Replace cable if damaged or worn. Check drive gear and driven gear for damage or wear and replace if necessary. Check speedometer cable for kinks or bends in routing. Replace cable if damaged and recheck speedometer function.
  5. Disconnect cable from speed sensor. Replace speed sensor if shaft does not turn freely and recheck speedometer operation. With cable disconnected, check core for wear or damage. If core is damaged, replace. If core will not turn, replace cable and recheck speedometer function.
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