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Home >> Ford >> 2017 >> Expedition SSV, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission External Controls >> Diagnosis And Testing >> External Controls - Column Shift >> Inspection and Verification
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Inspection and Verification

  1. 1.

    Verify the customer concern by operating the transmission external control.

  1. 2.

    Visually inspect for obvious signs of mechanical and electrical damage; refer to the following chart:

    Visual Inspection Chart 

    Mechanical Electrical
    Damaged BSIA
    Damaged tow/haul switch    		 Failed fuse(s):
    SJB 18 (10A)
    Damaged wiring harness
    Loose or corroded connections

  1. 3.

    If the fault is not visually evident, determine the symptom. GO to Symptom Chart - External Controls, Column Shift  or GO to Symptom Chart - NVH Column Shift  .
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