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Home >> Saturn >> 2004 >> Ion Red Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Introduction) >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure

Installation Procedure

  1. Use the retaining tab to secure the PCM, when installing the PCM to the underhood junction block bracket.
  2. Connect the PCM harness connectors to the PCM.
    3. Fig 1: View Of PCM
    GM1381712Courtesy of GENERAL MOTORS CORP.
  3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  4. Program the PCM. Refer to Service Programming System (SPS) in Programming.
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