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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Control System >> Repair Instructions >> Drive Motor Power Inverter Module 3 Phase Cable Replacement >> Installation Procedure
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Installation Procedure

  1. GM5045300Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module 3-Phase Cable (2) -

    2. CAUTION:

    Refer to Fastener Caution

  2. Front Wheelhouse Panel Brace Nut (1) - Install and tighten 9 N.m (80 lb in)
  3. GM4549585Courtesy of GENERAL MOTORS COMPANY

    Front Wheelhouse Panel Brace (2) - Install

  4. Front Wheelhouse Panel Brace Nut (1) - Install and tighten [4x] 9 N.m (80 lb in)
  5. GM4485085Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module 3-Phase Cable (3) - Install

    6. NOTE:

    Critical high voltage fastener. Perform second torque verification check following re-assembly.

  6. Cable Retainer Nut (1) - Install and tighten
    • First Pass: 9 N.m (80 lb in)
    • Final Pass: 9 N.m (80 lb in)
  7. Protective Terminal Cover (2) - Install
  8. Drive Motor Power Inverter Module Connector (4) - Connect
  9. GM4262297Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Deflector Water Deflector (1) - Install - Air Inlet Deflector Water Deflector Replacement

  10. GM4485078Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Critical high voltage fastener. Perform second torque verification check following re-assembly.

    High Voltage Terminal Bolt (1) - Hand tighten [6x]

  11. High Voltage Terminal Bolt (1) - Tighten [6x]
    • First Pass: 9 N.m (80 lb in)
    • Final Pass: 9 N.m (80 lb in)
  12. GM4485043Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Make sure the seal does not roll out of channel when installing NEW seal.

    High Voltage Cable Connector Cover Seal (3) - Install NEW Seal [2x]

  13. High Voltage Cable Connector Cover (2) - Install [2x]
    14. NOTE:

    Critical high voltage fastener. Perform second torque verification check following re-assembly.

  14. High Voltage Cable Connector Cover Bolt (1) - Install and tighten [4x]
    • First Pass: 9 N.m (80 lb in)
    • Final Pass: 9 N.m (80 lb in)
  15. GM4254461Courtesy of GENERAL MOTORS COMPANY

    Front End Sheet Metal Cross Brace (2) - Install - Front End Sheet Metal Cross Brace Replacement

  16. GM4242573Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Grille Panel (2) - Install - Air Inlet Grille Panel Replacement

  17. Raise and support the vehicle. Lifting and Jacking the Vehicle
  18. GM4481456Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module 3-Phase Cable (4, 5) - Install - Transmission Replacement

  19. Transmission Support Crossmember - Install - Transmission Support Crossmember Replacement (LTG without HP9)Transmission Support Crossmember Replacement (LTG with HP9)Transmission Support Crossmember Replacement (LGX, LGW)
  20. GM4549527Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Connect

  21. Retainer (2) - Engage [2x]
  22. GM4549573Courtesy of GENERAL MOTORS COMPANY

    Cable Retainer Fastener (1) - Install and tighten 9 N.m (80 lb in)

  23. Retainer (2) - Engage
  24. Lower the vehicle.
  25. Enable the high voltage system. High Voltage Enabling
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