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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 331 (Engine Electrical - Hybrid) >> Repair Instructions >> Battery Positive Cable Replacement (12V Battery to Auxiliary BEC) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Battery And Associated 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: Auxiliary Bussed Electrical Center (BEC) Cover
    GM1968591Courtesy of GENERAL MOTORS CORP.
  5. Remove the auxiliary bussed electrical center (BEC) cover (1).
    6. Fig 3: Under Hood Junction Block Cover
    GM1702793Courtesy of GENERAL MOTORS CORP.
  6. Remove the underhood junction block cover.
    7. Fig 4: Junction Block And 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 Components
    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: Positive Battery Cable Assembly
    GM1968603Courtesy of GENERAL MOTORS CORP.
  12. Remove the positive battery cable assembly (1) from the vehicle.
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