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Home >> Lincoln >> 2005 >> Navigator 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission External Controls >> Diagnosis And Testing >> External Controls - Column Shift >> Inspection and Verification

Inspection and Verification

  1. Verify the customer concern by operating the transmission external control.
  2. Visually inspect for obvious signs of mechanical and electrical damage; refer to the following chart:
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Damaged shift lock actuator
    • Damaged transmission control switch
    • Failed fuse(s)
      • F1.5 (7.5A)
      • F1.27 (5 A)
    • Damaged wiring harness
    • Loose or corroded connections
  3. If the fault is not visually evident, determine the symptom. GO to SYMPTOM CHART .