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Home >> Chrysler >> 2003 >> 300M Pro-Am Edition >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Electrically Heated Systems - Symptoms >> Symptom: *REAR WINDOW DEFOGGER INOPERATIVE MANUAL AIR CONDITIONING >> Possible Causes

Possible Causes

  1. REAR DEFOG OPERATES OK
  2. DEFOGGER GRID GROUND CIRCUIT OPEN
  3. REAR WINDOW DEFOGGER GRID OPEN
  4. REAR WINDOW DEFOGGER RELAY-OPEN
  5. REAR DEFOGGER RELAY OUTPUT CKT OPEN
  6. REAR WINDOW DEFOGGER RELAY CONTROL CIRCUIT OPEN
  7. REAR WINDOW DEFOGGER RELAY OUTPUT SHORT TO GROUND
  8. FUSED (B+) SHORT TO GROUND
  9. FUSED B+ CIRCUIT OPEN
  10. CONTROL HEAD-REAR DEFOGGER SWITCH
  11. BODY CONTROL MODULE-REAR DEFOGGER RELAY CONTROL OPEN
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