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Home › GMC › 2023 › Hummer EV Edition 1 › Repair and Diagnosis › Hybrid/Electric Powertrain › Electric Converters and Controllers › Plug-In Charging System › Repair Instructions › Battery Charger Replacement › Removal Procedure

Removal Procedure

  1. GM5902903Courtesy of GENERAL MOTORS COMPANY

    Rear Suspension Cradle (1) - Remove - Rear Suspension Cradle Removal and Installation

  2. GM5905773Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Bolt (1) - Remove

  3. Drive Motor Power Inverter Module Nut (2) - Remove
  4. Drive Motor Power Distribution Control Module Hose (3) - Disconnect
  5. Rear Electric Drive Transmission Module Coolant Hose (4) - Disconnect
  6. Remove the drive motor power distribution control module hose retainers (5).
  7. Drive Motor Power Distribution Control Module Hose (6) - Remove
  8. GM5870383Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Distribution Control Module Bolt (1) - Remove [3x]

  9. Drive Motor Power Distribution Control Module Protector (2) - Remove
  10. GM5870385Courtesy of GENERAL MOTORS COMPANY

    Remove the drive motor power distribution control module positive and negative cable retainer (1).

  11. GM5870384Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Disconnect the electrical connectors. (1) High Voltage Connectors

  12. Drive Motor Power Distribution Control Module Positive and Negative Cable Channel Bolt (2) - Remove [2x]
  13. Drive Motor Power Distribution Control Module Positive and Negative Cable (3) - Remove
  14. GM5870386Courtesy of GENERAL MOTORS COMPANY

    Disconnect the electrical connector. (1) High Voltage Connectors

  15. Remove the 3 rear electric drive transmission module positive and negative cable retainers (2).
  16. Drive Motor Power Distribution Control Module Positive and Negative Cable Channel Bolt (3) - Remove [2x]
  17. Reposition the rear electric drive transmission module positive and negative cable (4).
  18. GM5864764Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Battery Negative Cable Nut (1) - Remove [2x]

  19. Starter Generator Negative Ground Cable (2) - Reposition [2x]
  20. GM5864765Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Wiring Harness Retainer - Remove

  21. Drive Motor Power Distribution Control Module Bolt (1) - Remove [4x]
  22. Battery Charger (2) - Remove
  23. GM5864769Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Battery Positive Cable Nut (1) - Remove

  24. Remove the battery positive and negative cable retainers (2).
  25. Battery Positive and Negative Cable (3) - Remove
  26. GM5905774Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Cooling Inlet Hose Bracket Bolt (1) - Remove [2x]

  27. Drive Motor Power Inverter Module Bracket (2) - Remove
  28. High Voltage Connector (3) - Remove [2x] High Voltage Connectors
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