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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 955 (Battery, Charging System & Starting System) >> Repair Instructions >> Positive and Negative Battery Cable (14V) Replacement (5.3L Engine w/RPO HP2) >> 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.
  1. Disconnect the energy storage box (ESB). Refer to Energy Storage Box (ESB) Service Disconnect/Connect (5.3L Engine w/RPO HP2) .
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
    3. Fig 1: View Of Negative Battery Cable At Battery
    GM832902Courtesy of GENERAL MOTORS CORP.
  3. Unsnap the positive battery cable cap.
  4. Disconnect the positive battery cable.
    5. Fig 2: View Of Battery & Positive Battery Cable
    GM662504Courtesy of GENERAL MOTORS CORP.
  5. Remove the left fender to cowl support brace bolts and brace.
  6. Remove the underhood bussed electrical center (UBEC) cover.
    7. Fig 3: View Of Left Fender To Cowl Support Brace Bolts & Brace
    GM349812Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The bolt is integral to the battery cable and is not removable.
  7. Loosen the positive battery cable bolt at the UBEC.
  8. Remove the positive cable from the UBEC.
  9. Remove the nut at the UBEC.
  10. Remove the positive cable from the UBEC.
    11. Fig 4: View Of Underhood Bussed Electrical Center Positive Cable Bolt
    GM847253Courtesy of GENERAL MOTORS CORP.
  11. Remove the harness clip bolt (1) from the junction block bracket.
  12. Remove the junction block from the bracket.
    13. Fig 5: View Of Harness Clip Bolt At Junction Block Bracket
    GM1237043Courtesy of GENERAL MOTORS CORP.
  13. Loosen the 14V positive/negative battery cable bolt (1).
    14. Fig 6: View Of 14V Positive/Negative Battery Cable Bolt (5.3L Engine w/RPO HP2)
    GM1237045Courtesy of GENERAL MOTORS CORP.
  14. Remove the red connector position assurance (CPA) retainer.
  15. Disconnect the 14V positive/negative battery cable.
  16. Remove the 14V positive/negative cable clips (1) from the frame.
    17. Fig 7: View Of 14V Positive/Negative Cable Clips At Frame (5.3L Engine w/RPO HP2)
    GM1257491Courtesy of GENERAL MOTORS CORP.
  17. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  18. Remove the engine wiring harness ground/negative cable bolt (2).
  19. Reposition the wiring harness ground (3) and battery cable ground (1).
  20. Remove the forward lamp wiring harness ground/negative cable bolt (6).
  21. Reposition the ground wire (5) and forward lamp harness ground (7).
  22. Remove the battery cable channel bolt (4).
    23. Fig 8: View Of Engine Wiring Harness Ground/Negative Cable Fasteners
    GM1257490Courtesy of GENERAL MOTORS CORP.
  23. Remove the starter harness branch clips from the battery channel.
  24. Slide the channel pin out of the oil pan tab.
  25. Lower the vehicle.
  26. Remove the 14V positive/negative battery cable.
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