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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (12 V Starting And Charging - Repair Instructions) >> Repair Instructions >> Engine Wiring Harness Junction Block Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Battery Negative Cable Disconnection and Connection 
  2. GM5314604Courtesy of GENERAL MOTORS COMPANY

    Battery Distribution Engine Compartment Fuse Block Cover(1) - Remove

  3. Battery Positive Cable Nut(6) - Remove
  4. Battery Positive Cable(7) - Remove
  5. Auxiliary Generator Battery Jumper Cable Nut(5) - Remove
  6. Auxiliary Generator Battery Jumper Cable(8) - Remove
  7. Engine Wiring Harness Terminal Nut (4) - Remove
  8. Engine Wiring Harness Terminal Nut (3) - Remove
  9. Engine Wiring Harness(9) - Remove[2x]
  10. Forward Lamp Wiring Harness Terminal Nut (2) - Remove[2x]
  11. Forward Lamp Wiring Harness(10) - Remove[2x]
  12. GM5314636Courtesy of GENERAL MOTORS COMPANY

    Retaining Tab(1) - Disengage[2x]

  13. Battery Distribution Engine Compartment Fuse Block(2) - Remove
  14. GM5311887Courtesy of GENERAL MOTORS COMPANY

    Disengage the retaining tabs (1) and remove the engine wiring harness fuse block cover (2).

  15. GM5314788Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Junction Block Bolt(1) - Remove

  16. Retaining Tab(3) - Disengage[4x]
  17. Engine Wiring Harness Junction Block(2) - Remove