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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 875 (Battery, Charging System And Starting System) >> Repair Instructions >> Battery Negative Cable Disconnection & Connection (w/Auxiliary Battery) >> Disconnect Procedure

Disconnect Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to Battery Disconnect Caution .
    Fig 1: View Of Battery Cable Components
    GM1702504Courtesy of GENERAL MOTORS CORP.
  1. Turn off all the lamps and accessories.
  2. Turn the ignition OFF.
  3. Open the hood.
  4. Loosen the primary negative battery cable nut (6).
  5. Remove the primary negative battery cable from the battery negative post.
  6. Reposition the primary battery cable away from the battery.
  7. Fig 2: View Of Battery & Battery Cable Fasteners
    GM1857067Courtesy of GENERAL MOTORS CORP.
  8. Open the auxiliary battery negative cable post cover.
  9. Loosen the auxiliary battery negative cable nut (3).
  10. Remove the auxiliary negative battery cable from the battery negative post.
  11. Reposition the auxiliary negative battery cable away from the battery.