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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1653 (Battery, Charging System And Starting System) >> Repair Instructions >> Battery Negative Cable Disconnect/Connect Procedure >> Disconnecting Procedure

Disconnecting Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to BATTERY DISCONNECT CAUTION in Cautions and Notices.
  1. Record all preset and theft codes from the radio.
    Fig 1: Identifying Battery Cable Components
    GM899613Courtesy of GENERAL MOTORS CORP.
  2. Turn the ignition switch to the LOCK position.
  3. Verify that all the electrical components are off such as interior lights, all doors are closed, the underhood lamp, etc.
  4. Loosen the negative battery cable bolt.
  5. Remove the negative battery cable (5) from the battery.
  6. Position the negative battery cable away from any body ground.