Symptom Chart
WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
TRAILER LAMPS SYMPTOM CHART
| Condition |
Possible Sources |
Action |
- The trailer lamps are inoperative
|
- Trailer
- Trailer tow relay
- Circuitry
|
|
- The trailer lamps are on continuously
|
- Trailer
- Trailer tow relay
- Circuitry
|
|
- The trailer battery charging is inoperative/does not operate correctly
|
- Trailer
- Circuitry
- Trailer tow relay
|
|
- The trailer electric brakes are inoperative/do not operate correctly
|
- Trailer
- Circuitry
- Trailer tow electronic brake controller
|
|