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Home >> GMC >> 2020 >> Terrain SL >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Starting System And Charging System >> Repair Instructions >> Engine Wiring Harness Junction Block Replacement >> Removal Procedure

Removal Procedure

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (KL9) 
  2. GM4583383Courtesy of GENERAL MOTORS COMPANY

    Retaining Tab (1) - Disengage [3x]

  3. Engine Wiring Harness Junction Block Cover (2) - Remove
  4. GM4583403Courtesy of GENERAL MOTORS COMPANY

    Retaining Tab (1) - Disengage [2x]

  5. Junction Block Cover (2) - Remove
  6. GM4583389Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Junction Block Nut (1) - Remove [5x]

  7. Battery Positive Junction Block Cable Nut (2) - Remove
  8. Battery Positive Junction Block Cable (3) - Reposition away
  9. Wiring Harness Terminal (4) - Reposition away [5x]
  10. GM4583390Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Junction Block Mounting Bolt (1) - Remove [3x]

  11. GM4583392Courtesy of GENERAL MOTORS COMPANY

    Retaining Tab (1) - Disengage [6x]

  12. GM4583393Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Junction Block (1) - Remove