LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 640 (Exterior Lighting System) >> Diagnosis And Testing >> Trailer Lamps >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. 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
  • Trailer
  • The individual trailer lamp is inoperative - RH trailer turn signal/stoplamp/hazard lamp
  • Fuse
  • Circuitry
  • Trailer tow RH turn relay
  • Trailer
  • The individual trailer lamp is inoperative - LH trailer turn signal/stoplamp/hazard lamp
  • Fuse
  • Circuitry
  • Trailer tow LH turn relay
  • Trailer
  • The trailer lamps are inoperative - trailer parking lamps
  • Fuse
  • Circuitry
  • Trailer
  • CJB
  • The trailer lamps are inoperative - trailer reversing lamps
  • Fuse
  • Circuitry
  • Trailer
  • The trailer lamps are on continuously
  • Circuitry
  • Trailer tow LH turn relay
  • Trailer tow RH turn relay
  • CJB
  • Trailer
  • The trailer battery charging is inoperative
  • Fuse
  • Circuitry
  • Trailer
  • CJB
  • Trailer tow battery charge relay
  • The trailer electric brakes are inoperative
  • Circuitry
  • Trailer brake module