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Home >> Saturn >> 2004 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Computer/Integrating Systems) >> Repair Instructions >> Body Control Module Replacement >> Removal Procedure
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Removal Procedure

WARNING: This page is about a different car, the 2005 Saturn Ion Red Line, 2005 Saturn Ion 3, 2005 Saturn Ion 2, and 2005 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Remove the front floor console. Refer to Console Replacement - Front Floor in Instrument Panel, Gages, and Console.
  3. Remove the wiring harness rosebud from the right center support bracket.
  4. Fig 1: View Of Wiring Harness Center Support Bracket
    GM877821Courtesy of GENERAL MOTORS CORP.
  5. Pull back the carpet at the bottom of the support bracket and remove the lower nuts.
  6. Fig 2: View Of Center Support Bracket
    GM877820Courtesy of GENERAL MOTORS CORP.
  7. Remove the nuts and remove the bracket.
  8. Disconnect the small body harness connector (1) from the body control module (BCM).
  9. Fig 3: View Of BCM Body Harness Connectors
    GM877745Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the large body harness connector (2) from the BCM.
  11. Disconnect the small instrument panel (I/P) wiring harness connector (1) from the BCM.
  12. Fig 4: View Of BCM I/P Wiring Harness Connectors
    GM877747Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the large I/P wiring harness connector (2) from the BCM.
  14. If equipped with Onstar®, disconnect the OnStar® connector.
  15. Remove the BCM nuts and remove the BCM from the vehicle.
  16. Fig 5: View Of BCM
    GM877750Courtesy of GENERAL MOTORS CORP.