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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Wiring Systems And Power Management) >> Repair Instructions >> Underhood Electrical Center or Junction Block Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Engine Electrical Center Bracket & Retaining Bolts
    GM747706Courtesy of GENERAL MOTORS CORP.
  1. Install the engine electrical center bracket assembly to the front fender.
  2. NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. Install the 4 retaining bolts (1).

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

  4. Fig 2: View Of Electrical Center Block & Tabs
    GM749945Courtesy of GENERAL MOTORS CORP.
  5. Align the electrical center block (1) stubs in the slots so that the tabs (2) retains it in place.
  6. Fig 3: View Of Electrical Center Block Wire Connectors
    GM749942Courtesy of GENERAL MOTORS CORP.
  7. Connect the wire connectors to the lower portion of the electrical center block.
  8. 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).

  9. Ensure all wire connectors are securely connected.
  10. Set the electrical center block in its resting position till the tabs (3) locks in place.
  11. Fig 4: View Of Electrical Center Brace Cover
    GM749941Courtesy of GENERAL MOTORS CORP.
  12. Install the lower part of the cover (1).
  13. With the cover (2) off, use the fuse location information to install all fuses and relays.
  14. Install the cover.
  15. Fig 5: Front Diagonal Brace & Bolts
    GM400853Courtesy of GENERAL MOTORS CORP.
  16. Install the fender upper brace.
  17. Install the 4 fender upper brace bolts.

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

  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  19. Start vehicle and ensure all components function properly.