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Home >> Mercury >> 2003 >> Mountaineer 4.0 K, RWD >> Repair and Diagnosis >> Electrical >> Gauges >> Information Center - Information, Gauges And Warning Devices >> Diagnosis And Testing >> Instrument Cluster And Panel Illumination >> Symptom Chart

Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
No communication with the instrument cluster
  • Circuitry.
  • Instrument panel dimmer switch.
  • Instrument cluster.
 REFER to INSTRUMENT CLUSTER .
The control illumination is inoperative
  • Circuitry.
  • Headlamp switch.
  • Instrument panel dimmer switch.
 Go To PINPOINT TEST A .
The instrument cluster illumination is inoperative
  • Circuitry.
  • Illumination bulbs.
  • Instrument cluster.
 Go To PINPOINT TEST B .
The climate control panel illumination is inoperative
  • Circuitry.
  • Manual climate control.
  • Front auxiliary A/C climate control.
  • Rear auxiliary A/C climate control.
  • Electronic automatic temperature control module.
  • Illumination bulbs.
 Go To PINPOINT TEST C .
A single illumination source is inoperative
  • Circuitry.
  • Illumination bulbs.
  • Inoperative illumination source component.
 Go To PINPOINT TEST D .
The steering wheel control switch illumination source is inoperative
  • Circuitry.
  • Clockspring.
  • Steering wheel control switches.
  • Steering wheel control harness.
 Go To PINPOINT TEST E .
The instrument panel illumination does not dim
  • Circuitry.
  • Instrument panel dimmer switch.
  • Dimmer module.
 Go To PINPOINT TEST F .
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