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Home >> Hummer >> 2010 >> H3T Base, Automatic >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Repair Instructions >> Battery Negative Cable Replacement (LH8) >> Installation Procedure

Installation Procedure

NOTE:
  • The negative battery cable must not be connected to the battery prior to the installation of the engine harness ground terminal to the engine block.
  • The negative battery cable must not be connected to the battery prior to the installation of the instrument panel harness and the engine harness to the powertrain control module.
    Fig 1: Negative Battery Cable Components
    GM1901968Courtesy of GENERAL MOTORS CORP.
  1. Install the negative battery cable (3) to the vehicle.
  2. Install the negative battery cable clip (1) to the engine wiring harness bracket.
  3. Raise and suitably support the vehicle.
  4. Install the negative battery cable clip (2) to the engine wiring harness bracket.
  5. Ensure that the engine wiring harness ground terminal (5) is position against the engine block.
    6. CAUTION: Refer to Fastener Caution .
  6. Position the negative battery cable ground terminal over the engine wiring harness ground and install the negative battery cable ground bolt (4).

    Tighten:  Tighten the bolt to 25 N.m (18 lb ft).

  7. Lower the vehicle.
    8. Fig 2: Engine Wiring Harness Electrical Connector & Battery Current Sensor
    GM1901956Courtesy of GENERAL MOTORS CORP.
  8. Connect the engine wiring harness electrical connector (6) to the battery current sensor (5).
    9. Fig 3: Battery Negative Cable Components (LH8)
    GM1901890Courtesy of GENERAL MOTORS CORP.
  9. Install the negative battery cable integral bolt (4) to the battery tray.

    Tighten:  Tighten the bolt to 40 N.m (29.5 lb ft).

  10. Install the negative battery cable clip (3) to the battery tray.
  11. Install the negative battery cable clip (2) to the lower half of the battery box.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
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