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Home >> Ford >> 2019 >> Fiesta ST Line, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Wiring Diagrams >> Wiring Harnesses >> Removal And Installation >> Transmission Control Module (TCM) Wiring Harness >> Installation
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Transmission Control Module (TCM) Wiring Harness: Installation

  1. Connect the OSS sensor electrical connector.
    GFD302503Courtesy of FORD MOTOR COMPANY
  2. NOTE: Make sure that the surface is clean and free of foreign material before taping around the component.

    Remove the foil tape backing and wrap the foil tape around the OSS sensor wiring harness.

    GFD302506Courtesy of FORD MOTOR COMPANY
  3. Remove the foil tape backing from the rest of the foil tape.
    GFD302507Courtesy of FORD MOTOR COMPANY
  4. Wrap the foil tape around the OSS sensor electrical connector.
    GFD302508Courtesy of FORD MOTOR COMPANY
  5. Stick the foil tape ends together.
    GFD302509Courtesy of FORD MOTOR COMPANY
  6. Using the locking plier, crimp around the edge starting from the sensor portion. Use the General Equipment: Locking Pliers
    GFD302510Courtesy of FORD MOTOR COMPANY
  7. Fold the remaining portion of the foil tape.
    GFD302511Courtesy of FORD MOTOR COMPANY
  8. Using the locking plier, crimp around the edge starting from the sensor portion moving around. Use the General Equipment: Locking Pliers
    GFD302512Courtesy of FORD MOTOR COMPANY
  9. To install, reverse the removal procedure.