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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 909 (Exterior Lighting System) >> Diagnostic Tests >> Trailer Lamps >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart

Condition Possible Sources Action
  • All the trailer lamps are inoperative
  • Circuitry
  • Trailer
  • The trailer parking lamps are inoperative
  • Fuse
  • Circuitry
  • Smart junction box (SJB)
  • Trailer
  • The individual trailer lamp is inoperative
  • Fuse
  • Circuitry
  • Trailer
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