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Home >> Jeep >> 2004 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Electrically Heated System >> Symptom: *REAR WINDOW DEFOGGER INOPERATIVE >> Possible Causes

Possible Causes

  1. REAR WINDOW DEFOGGER GROUND CKT
  2. REAR WINDOW DEFOGGER GRID OPEN
  3. REAR WINDOW DEFOGGER RELAY OUTPUT OPEN
  4. FUSED IGNITION SWITCH OUTPUT (RUN) OPEN
  5. FUSED B(+) CKT OPEN
  6. RELAY COIL
  7. RELAY CONTACTS
  8. REAR WINDOW DEFOGGER RELAY CONTROL CIRCUIT OPEN
  9. REAR WINDOW DEFOGGER SWITCH SENSE CKT OPEN
  10. REAR WINDOW DEFOGGER SWITCH SENSE CKT SHORTED TO GROUND
  11. REAR WINDOW DEFOGGER SWITCH SENSE CKT SHORTED TO VOLTAGE
  12. REAR WINDOW DEFOGGER SWITCH
  13. INSTRUMENT CLUSTER
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