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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 670 (Wiring Systems (General Information)) >> Repair Instructions >> Underhood Electrical Center or Junction Block Replacement >> Installation Procedure

Installation Procedure

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    Fig 1: Electrical Center Bracket
    G01696394Courtesy of GENERAL MOTORS CORP.
  1. Install the engine electrical center bracket assembly to the front fender.
    NOTE: Refer to FASTENER NOTICE .
  2. Install the 4 retaining bolts (1).

    Tighten 

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

    3. Fig 2: Electrical Center
    G01696395Courtesy of GENERAL MOTORS CORP.
  3. Align the electrical center block (1) stubs in the slots so that the tabs (2) retains it in place.
    4. Fig 3: Connectors At Electrical Center Block
    G01696396Courtesy 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 lb 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.
    8. Fig 4: Electrical Center Brace Cover Assembly
    G01696397Courtesy 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.
    11. Fig 5: Left Fender Upper Brace
    G01696398Courtesy 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 (SINGLE BATTERY) or BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE (AUXILIARY BATTERY) .
  14. Start vehicle and ensure all components function properly.
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