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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.
WARNING:

Refer to Battery Disconnect Warning .

    Fig 1: Battery Current Sensor And Engine Wiring Harness Electrical Connectors
    GM1968344Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Disconnect the engine wiring harness electrical connector (1) from the battery current sensor (2).
    3. Fig 2: Negative Battery Cable Clip
    GM1968346Courtesy of GENERAL MOTORS CORP.
  3. Remove the negative battery cable clip (1) from the auxiliary bussed electrical center (BEC).
    4. Fig 3: Negative Battery Cable, Ground Terminal Bolt And Ground
    GM1968348Courtesy of GENERAL MOTORS CORP.
  4. Remove the negative battery cable ground terminal bolt (1) from the left side engine block boss.
  5. Remove the negative battery cable (3) and the engine wiring harness ground (2) leads from the engine block boss.
    6. Fig 4: Negative Battery Cable Lead, Ground Lead And Bolt
    GM1968351Courtesy of GENERAL MOTORS CORP.
  6. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  7. Remove the engine wiring harness ground lead bolt (1) from the frame.
  8. Remove the engine wiring harness ground lead (2) and the negative battery cable lead (3) from the frame.
  9. Lower the vehicle.
    10. Fig 5: Negative Battery Cable Assembly
    GM1968354Courtesy of GENERAL MOTORS CORP.
  10. Remove the negative battery cable assembly (1) from under the positive battery cable and from the vehicle.
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