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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1014 (Exterior Lighting System -- F150 Pickup) >> Diagnosis And Testing >> Trailer Lamps >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • The trailer lamps are inoperative
  • Circuitry.
  • Central junction box (CJB).
  • Trailer tow parking lamp relay.
  • Trailer.
  • The individual trailer lamp is inoperative
  • Trailer.
  • DETERMINE which individual trailer lamp is inoperative.
    • If an individual trailer parking or reversing lamp is inoperative, SEND the trailer to an authorized camper/trailer repair center.
    • If a trailer turn lamp is inoperative, GO to PINPOINT TEST V .
  • The trailer lamps are on continuously
  • Circuitry.
  • Central junction box (CJB).
  • Trailer tow parking lamp relay.
  • Trailer.
  • The trailer battery charging is inoperative
  • Circuitry.
  • Trailer battery charge relay.
  • Central junction box (CJB).
  • Trailer.
  • The trailer electric brakes are inoperative/do not operate correctly
  • Circuitry.
  • Trailer electronic brake control module.
  • Trailer.
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