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Symptom Chart: Fog Lamps

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Condition Possible Sources Actions
A module does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Module
Both front fog lamps are inoperative Refer to the Pinpoint Test GO to Pinpoint Test A 
The rear fog lamp is inoperative Refer to the Pinpoint Test GO to Pinpoint Test B 
An individual front fog lamp is inoperative or always on Refer to the Pinpoint Test GO to Pinpoint Test C 
The front fog lamps are on continuously Refer to the Pinpoint Test GO to Pinpoint Test D 
The rear fog lamp is on continuously Refer to the Pinpoint Test GO to Pinpoint Test E 
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