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Symptom Chart

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods . for information about these practices.

Symptom Chart 

Condition Possible Sources Actions
System voltage high REFER to pinpoint test GO to Pinpoint Test G 
System voltage low or battery is discharged REFER to pinpoint test GO to Pinpoint Test G 
Charging system warning indicator is never or always On REFER to pinpoint test GO to Pinpoint Test H