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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 6.6 2, RWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.6L (LLY) (Introduction) >> Repair Instructions >> Glow Plug Controller Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Glow Plug Controller Electrical Connectors
    GM1335531Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  2. Disconnect the glow plug controller electrical connector.
    3. Fig 2: Glow Plug Controller Battery Feed Electrical Connector
    GM1409333Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the glow plug controller battery feed electrical connector (1).
    4. Fig 3: View Of Glow Plug Controller Bolts
    GM1336490Courtesy of GENERAL MOTORS CORP.
  4. Remove the glow plug controller bolts.
  5. Remove the glow plug controller.
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