Pinpoint Tests: Notes
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
All The Trailer Lamps Are Inoperative
Refer to Trailer/Camper Adapter for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Exterior Lighting - Overview .
REFER to: Exterior Lighting - System Operation and Component Description .
Possible Sources
- Wiring, terminals or connectors
- Trailer tow connector
- Trailer concern
Visual Inspection and Diagnostic Pre-checks
- Inspect the trailer tow connector for signs of corrosion or damage. Repair or install a new trailer tow connector as required.