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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 981 (Battery, Charging System & Starting System) >> Repair Instructions >> Battery Positive Cable Replacement (4.8L, 5.3L, 6.0L, and 8.1L Engines) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
    2. Fig 1: View Of Battery & Positive Battery Cable
    GM662504Courtesy of GENERAL MOTORS CORP.
  2. Unsnap the positive battery cable cap.
  3. Loosen the positive battery cable.
  4. Remove the positive battery cable.
    5. IMPORTANT: The bolt is integral to the battery cable and is not removable.
  5. Loosen the positive cable bolt at the underhood bussed electrical center (UBEC).
    6. Fig 2: View Of Underhood Bussed Electrical Center Positive Cable Bolt
    GM847253Courtesy of GENERAL MOTORS CORP.
  6. If necessary, remove the engine sight shield. Refer to Engine Sight Shield Replacement (4.8L, 5.3L, and 6.0L Engines) or Engine Sight Shield Replacement (6.0L Engine w/RPOs Y91 and Z88) in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
  7. Unsnap the junction block cover.
  8. Remove the positive battery cable (1) from the junction block.
    9. Fig 3: View Of Battery Cables At Junction Block
    GM662521Courtesy of GENERAL MOTORS CORP.
  9. If equipped with a 4.8L, 5.3L, or 6.0L engine, remove the negative cable clip from the positive cable clip.
    10. Fig 4: View Of Wiring Harness Ground/Negative Cable, Clip & Bolt (4.8L, 5.3L, & 6.0L)
    GM662097Courtesy of GENERAL MOTORS CORP.
  10. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  11. If equipped with a 8.1L engine, remove the negative cable clip from the positive cable clip.
  12. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    13. Fig 5: View Of Wiring Harness Ground/Negative Cable, Clip & Bolt (8.1L)
    GM751758Courtesy of GENERAL MOTORS CORP.
  13. Remove the positive battery cable channel bolt.
  14. Slide the channel pin out of the oil pan tab.
  15. Remove the positive battery cable from the channel.
    16. Fig 6: View Of Positive Battery Cable, Channel & Bolt
    GM662508Courtesy of GENERAL MOTORS CORP.
  16. If equipped with a 4.8L, 5.3L, or 6.0L engine, remove the battery cable bracket bolt and bracket from the power steering pump.
    17. Fig 7: View Of Power Steering Pump Battery Cable Bracket & Bolt
    GM662509Courtesy of GENERAL MOTORS CORP.
  17. If equipped with a 4.8L, 5.3L, or 6.0L engine, remove the starter lead nut.
  18. Remove the positive cable from the starter.
  19. Remove the positive cable clip from the clip on the oil pan.
  20. Remove the positive cable from the clip on the oil pan.
  21. Remove the positive battery cable.
    22. Fig 8: View Of Positive Battery Cable Fasteners (4.8L, 5.3L & 6.0L)
    GM662510Courtesy of GENERAL MOTORS CORP.
  22. If equipped with a 8.1L engine, remove the starter lead nut.
  23. Remove the positive cable from the starter.
  24. Remove the positive cable clip nut.
  25. Remove the positive cable from the engine harness clip.
  26. Remove the positive battery cable.
    27. Fig 9: View Of Positive Battery Cable Fasteners (8.1L)
    GM751548Courtesy of GENERAL MOTORS CORP.
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