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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1844 (Engine Controls And Fuel - 2.4L (Lat) - Introduction (2 Of 2)) >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying ECM Bracket And ECM
    GM1813961Courtesy of GENERAL MOTORS CORP.
  1. Install the ECM (2) to the ECM bracket.
  2. Install the ECM bracket (1) to the battery hold down bracket.
    3. Fig 2: Identifying Hybrid-Related Harness Retainers
    GM1820895Courtesy of GENERAL MOTORS CORP.
  3. Install the 36 volt positive battery cable retainer (4) to the ECM bracket.
    4. Fig 3: Engine Wiring Harness Electrical Connectors At Engine Control Module (ECM)
    GM1814522Courtesy of GENERAL MOTORS CORP.
  4. Connect the engine wiring harness electrical connectors (2) to the ECM.
    5. Fig 4: Body Wiring Harness Electrical Connector At Engine Control Module (ECM)
    GM1814521Courtesy of GENERAL MOTORS CORP.
  5. Connect the body wiring harness electrical connector (1) to the ECM.
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (2.4L (LAT)) .
  7. Install the generator battery control module cover. Refer to Generator Battery Control Module Cover Replacement .
  8. Program the ECM. Refer to Control Module References .
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