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Home >> Ford >> 2002 >> Excursion 6.8 S, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Cluster System And Panel Illumination -- Excursion & F250-F550 Super Duty >> Diagnosis And Testing >> Instrument Panel Illumination >> Symptom Chart >> Symptom Chart

Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • The control illumination is inoperative
  • Central junction box (CJB) fuse 17 (15A)
  • Circuitry.
  • Headlamp switch.
  • The instrument cluster illumination is inoperative
  • Circuitry.
  • Instrument cluster.
  • Instrument cluster miniature bulb(s).
  • The climate control illumination is inoperative
  • Circuitry.
  • Climate control bulb(s).
  • Climate control assembly.
  • The audio system illumination is inoperative
  • Circuitry.
  • Audio unit.
  • A single illumination source is inoperative
  • Circuitry.
  • Bulb(s).
  • Switch.
  • A single illumination source is inoperative - steering wheel switches
  • Circuitry.
  • Steering wheel switch(es).
  • Air bag sliding contact.
  • A single illumination source is inoperative - door lock control switches
  • Circuitry.
  • CJB fuse 42 (15A).
  • Door lock switch.
  • A single illumination source is inoperative - window control switches
  • Circuitry.
  • Accessory delay relay.
  • Battery saver relay.
  • Window control switch.
  • Instrument cluster.
  • The instrument panel illumination does not dim
  • Headlamp switch.
  • INSTALL a new headlamp switch. REFER to EXTERIOR LIGHTING .