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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Hybrid/EV Energy Storage System) >> Repair Instructions >> Generator Battery Control Wiring Harness Replacement (B1 and B2 to BECM Junction Block) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    WARNING:

    Ensure all High Voltage safety procedures are followed. Failure to follow the procedure exactly as written may result in serious injury or death.

    WARNING:

    Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

    The High Voltage Disabling procedure includes the following steps:

    • Identify how to disable high voltage.
    • Identify how to test for the presence of high voltage.
    • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

    Before working on any high voltage system, be sure to wear the following Personal Protection Equipment:

    • Safety glasses with appropriate side shields when within 15 meters (50 feet) of the vehicle, either indoors or outdoors.
    • Certified and up-to-date Class "0" Insulation gloves rated at 1000V with leather protectors.
      • Visually and functionally inspect the gloves before use.
      • Wear the Insulation gloves with leather protectors at all times when working with the high voltage battery assembly, whether the system is energized or not.

    Failure to follow the procedures may result in serious injury or death.

  1. Disable the hybrid battery. Refer to High Voltage Disabling .
  2. Fig 1: High Voltage Cable Fasteners
    GM2596578Courtesy of GENERAL MOTORS COMPANY
  3. Remove the high voltage cable fasteners (1) from the B1 and B2 studs.
  4. Fig 2: High Voltage Fasteners And Cables
    GM2596579Courtesy of GENERAL MOTORS COMPANY
  5. Remove the high voltage cable fasteners (1) from the battery energy control module (BECM) junction block.
  6. Remove the high voltage cables (2) from the BECM junction block.