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Removal Procedure

  1. Disconnect Battery Negative Cable Disconnection and Connection 
    2. Fig 1: Plastic Quick Connect Fitting Release Tabs And Cover
    GM4091086Courtesy of GENERAL MOTORS COMPANY
  2. Squeeze the 3 plastic quick connect fitting release tabs (1) to remove the cover (2).
    3. Fig 2: Fitting Release Tabs And Cover
    GM4091087Courtesy of GENERAL MOTORS COMPANY
  3. Release the 2 tabs (1).
  4. Remove the cover (2).
    5. Fig 3: Engine Wiring Harness Junction Block Supply Nuts
    GM4091088Courtesy of GENERAL MOTORS COMPANY
  5. Remove the 2 engine wiring harness junction block supply nuts (1, 3).
  6. Remove the 2 engine wiring harness junction block supply (2).
    7. Fig 4: Engine Wiring Harness Junction Block Bolts And Retaining Tabs
    GM4091089Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Bolts (3) are encapsulated on the end of threads so that they can not be removed from the fuse block.

  7. Loosen the 3 engine wiring harness junction block bolts (3).
  8. Unlock the 3 retaining tabs (1) and the retaining tabs (4) and remove the engine wiring harness junction block (2).
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