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Home >> Ford >> 2004 >> Mustang Mach 1, Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Cluster System And Panel Illumination >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Inspection and Verification

Inspection and Verification

NOTE: A new instrument cluster must be reconfigured. Refer to MODULE CONFIGURATION .
NOTE: The instrument panel dimmer switch is a part of the headlamp switch.
  1. Verify the customer concern.
  2. Visually inspect for obvious signs of electrical damage.
    VISUAL INSPECTION CHART

    Electrical
    • Central junction box (CJB) fuses:
      • 5 (15A)
      • 21 (5A)
      • 34 (20A)
      • 37 (5A)
      • 32 (15A)
      • 27 (20A)
    • Circuitry
    • Damaged switch
  3. If the fault is not visually evident, determine the symptom and proceed to the Symptom Chart.