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Home >> GMC >> 2013 >> Cutaway 6.6L Eng VIN L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 6.6L (LGH) - Repair Instructions >> Repair Instructions >> Glow Plug Control Module Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Engine Wiring Harness Electrical Connector
    GM1862080Courtesy of GENERAL MOTORS COMPANY
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the engine cover. Refer to Engine Cover Replacement .
  3. Disconnect the engine wiring harness electrical connector (1) from the glow plug control module.
    4. Fig 2: Identifying Positive Battery Cable
    GM1862082Courtesy of GENERAL MOTORS COMPANY
  4. Disconnect the positive battery cable (1) from the glow plug control module.
  5. Fig 3: Identifying Glow Plug Control Module Bracket
    GM1862083Courtesy of GENERAL MOTORS COMPANY

    Remove the glow plug control module bolts (1).
  6. Remove the glow plug control module (2).
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