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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 212 (Hybrid Engine Electrical System) >> Repair Instructions >> Battery Positive Cable Replacement (12V Battery to Auxiliary BEC) >> Removal Procedure

Removal 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.
    Fig 1: Locating Battery Components
    GM1968005Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Reposition the positive battery cable insulating cover (2) from over the positive terminal.
  3. Rotate the lever lock (1) counterclockwise in order to disconnect the positive battery cable.
  4. Remove the positive battery cable terminal (3) from the battery.
    5. Fig 2: View Of BEC Cover
    GM1968591Courtesy of GENERAL MOTORS CORP.
  5. Remove the auxiliary bussed electrical center (BEC) cover (1).
    6. Fig 3: View Of Under Hood Junction Block Cover
    GM1702793Courtesy of GENERAL MOTORS CORP.
  6. Remove the underhood junction block cover.
    7. Fig 4: View Of Junction Block & Retainers
    GM1702795Courtesy of GENERAL MOTORS CORP.
  7. Lift the junction block retainers from the locked position (3) and rotate the retainers to the open position (1).
  8. Remove the junction block.
    9. Fig 5: Locating Positive Battery Cable Component
    GM1968594Courtesy of GENERAL MOTORS CORP.
  9. Remove the positive battery cable nut (1) from the mega fuse stud.
  10. Remove the positive battery cable nut (3) from the auxiliary BEC stud.
  11. Disconnect the positive battery cable connector (2) from the underhood BEC.
    12. Fig 6: View Of Positive Battery Cable Assembly
    GM1968603Courtesy of GENERAL MOTORS CORP.
  12. Remove the positive battery cable assembly (1) from the vehicle.
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