LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1220 (Hybrid Engine Control System) >> Repair Instructions >> Generator Control Module 3-Phase Cable Assembly Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: To avoid high voltage 3-phase cable or vehicle damage properly attach the cables and brackets, and check for and correct any interference.
  1. Position the 3 phase cables in the vehicle.
  2. Begin installation of the transmission. Refer to Transmission Replacement .
    3. Fig 1: View Of 3-Phase Cables & Housing
    GM1971046Courtesy of GENERAL MOTORS CORP.
  3. Install a new 3 phase cable housing seal (2).
  4. Install the 3 phase cables and housing (3).
    5. NOTE: Refer to Fastener Notice .
  5. Install the 3 phase cable retaining bolts (4).

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

  6. Install the 3 phase cable bolt protective cover (5).
  7. Install a new 3 phase cable cover seal (6).
  8. Reconnect the 3 phase cable cover connector.
  9. Install the 3 phase cable cover (7).
  10. Install the transmission cover terminal housing (8).
  11. Install the 3 phase cable cover bolts (9).

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

  12. Install the 3 phase cable bracket bolts (1).

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

  13. Complete installation of the transmission. Refer to Transmission Replacement .
  14. Lower the vehicle.
    15. Fig 2: View Of Cable Retainer, Bracket & Nut
    GM1972998Courtesy of GENERAL MOTORS CORP.
  15. Install the 3 phase cable retainer (1) to the bracket.
  16. Install the 3 phase cable retainer nut (2).

    Tighten:  Tighten the nut to 9 N.m (80 lb in).

    17. Fig 3: Identifying Power Inverter Control Module (PIM) 3-Phase Cable Terminal Fasteners
    GM1971277Courtesy of GENERAL MOTORS CORP.
  17. Install the PIM 3 phase cables (3, 5) into the PIM distribution box with new seals (6).
  18. Install the PIM 3 phase cable mounting fasteners (2, 4).

    Tighten:  Tighten the mounting fastener to 9 N.m (80 lb in).

    19. CAUTION: Always remove and install the High Voltage terminal fasteners with a magnet tipped socket. Never touch the exposed electronic circuit board surface or components. Dropped fasteners or physical contact may result in electronic circuit board damage.
  19. Install the PIM 3 phase cable terminal fasteners (1).

    Tighten:  Tighten the terminal fastener to 9 N.m (80 lb in).

    20. Fig 4: View Of PIM, Terminal Cover & Seal
    GM1971289Courtesy of GENERAL MOTORS CORP.
  20. Install a new seal (3) on the PIM distribution box.
  21. Position the terminal cover (2) onto the PIM distribution box ensuring the seal remains in place.
  22. Tighten the terminal cover fasteners (1).

    Tighten:  Tighten the fasteners to 9 N.m (80 lb in).

  23. Perform the high voltage enabling. Refer to High Voltage Enabling .
scientia non olet · About LEMON Manuals