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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1779 (Wiring Systems (General Information)) >> Repair Instructions >> Underhood Electrical Center or Junction Block Replacement >> Installation Procedure

Installation Procedure

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  1. Install the engine electrical center bracket assembly to the front fender.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the 4 retaining bolts (1).

    Tighten 

    Tighten the 4 retaining bolts (1) to 9 N.m (80 lb in).

    Fig 1: Installing Engine Electrical Center Bracket Assembly To Fender
    G01457238Courtesy of GENERAL MOTORS CORP.
  3. Align the electrical center block (1) stubs in the slots so that the tabs (2) retains it in place.
    Fig 2: Aligning Electrical Center Block Stubs In Slots
    G01457239Courtesy of GENERAL MOTORS CORP.
  4. Connect the wire connectors to the lower portion of the electrical center block.
  5. Connect the wire connectors with the bolts to the electrical center block.

    Tighten 

    Tighten all connector bolts (1) to 9 N.m (80 Ib. in).

  6. Ensure all wire connectors are securely connected.
  7. Set the electrical center block in its resting position till the tabs (3) locks in place.
    Fig 3: Setting Electrical Center Block In Its Resting Position Till Tabs Locks In Place
    G01457240Courtesy of GENERAL MOTORS CORP.
  8. Install the lower part of the cover (1).
  9. With the cover (2) off, use the fuse location information to install all fuses and relays.
  10. Install the cover.
    Fig 4: Installing Lower Part Of Cover
    G01457241Courtesy of GENERAL MOTORS CORP.
  11. Install the fender upper brace.
  12. Install the 4 fender upper brace bolts.

    Tighten 

    Tighten the 4 retaining bolts to 25 N.m (18 lb ft).

  13. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Engine Electrical.
  14. Start vehicle and ensure all components function properly.
    Fig 5: Installing Fender Upper Brace & Bolts
    G01457242Courtesy of GENERAL MOTORS CORP.
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