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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 >> Positive and Negative Battery Cable (14V) Replacement (5.3L Engine w/RPO HP2) >> Installation Procedure

Installation 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. Install the 14V positive/negative battery cable.
  2. Raise the vehicle.
  3. Slide the channel pin into the oil pan tab.
  4. Install the starter harness branch clips to the battery channel.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the battery cable channel bolt (4).

    Tighten:  Tighten the bolt to 12 N.m (106 lb in).

  6. Position the ground wire (5) and forward lamp harness ground (7).
  7. Install the forward lamp wiring harness ground/negative cable bolt (6).

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

  8. Position the wiring harness ground (3) and battery cable ground (1).
  9. Install the engine wiring harness ground/negative cable bolt (2).

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

  10. Lower the vehicle.
    11. Fig 1: View Of Engine Wiring Harness Ground/Negative Cable Fasteners
    GM1257490Courtesy of GENERAL MOTORS CORP.
  11. Install the 14V positive/negative cable clips (1) to the frame.
    12. Fig 2: View Of 14V Positive/Negative Cable Clips At Frame (5.3L Engine w/RPO HP2)
    GM1257491Courtesy of GENERAL MOTORS CORP.
  12. Connect the 14V positive/negative battery cable.
  13. Install the red CPA retainer.
  14. Tighten the 14V positive/negative battery cable bolt (1).

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

    15. Fig 3: View Of 14V Positive/Negative Battery Cable Bolt (5.3L Engine w/RPO HP2)
    GM1237045Courtesy of GENERAL MOTORS CORP.
  15. Install the junction block to the bracket.
  16. Install the harness clip bolt (1) to the junction block bracket.

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

    17. Fig 4: View Of Harness Clip Bolt At Junction Block Bracket
    GM1237043Courtesy of GENERAL MOTORS CORP.
  17. Install the positive cable to the UBEC.
  18. Install the nut at the UBEC.
  19. Position the positive cable to the UBEC.
  20. Tighten the positive battery cable bolt at the UBEC.

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

    21. Fig 5: View Of Underhood Bussed Electrical Center Positive Cable Bolt
    GM847253Courtesy of GENERAL MOTORS CORP.
  21. Install the UBEC cover.
  22. Install the left fender to cowl support brace and bolts.

    Tighten:  Tighten the bolts to 9 N.m (80 lb in).

    23. Fig 6: View Of Left Fender To Cowl Support Brace Bolts & Brace
    GM349812Courtesy of GENERAL MOTORS CORP.
  23. Connect the positive battery cable.

    Tighten:  Tighten the bolt to 17 N.m (13 lb ft).

    24. Fig 7: View Of Battery & Positive Battery Cable
    GM662504Courtesy of GENERAL MOTORS CORP.
  24. Snap the positive battery cable cap closed.
  25. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
    26. Fig 8: View Of Negative Battery Cable At Battery
    GM832902Courtesy of GENERAL MOTORS CORP.
  26. Connect the ESB. Refer to Energy Storage Box (ESB) Service Disconnect/Connect (5.3L Engine w/RPO HP2) .
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