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Home >> Hummer >> 2009 >> H3 Alpha >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Wiring Systems And Power Management - Introduction >> Repair Instructions >> Underhood Electrical Center or Junction Block Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Bolts At Junction Block Housing
    GM1937013Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  1. If the junction block housing was removed, perform the following:
    1. Install the junction block housing (2) to the vehicle.
    2. Install the bolts (1) to the junction block housing (2) and tighten the bolts to 10 N.m (89 lb in).
    2. Fig 2: Identifying Junction Block Fuse Holder Locking Tabs And Retainers
    GM1938489Courtesy of GENERAL MOTORS CORP.
  2. Install the junction block fuse holder by positioning the 4 locking tabs (1) to the retainers (2) at the base of the fuse block holder (3) and pressing into place until fully seated.
    3. Fig 3: Identifying Electrical Connectors At Junction Block Fuse Holder
    GM1936992Courtesy of GENERAL MOTORS CORP.
  3. Connect all the electrical connectors (1) to the junction block fuse holder.
    4. Fig 4: Identifying Junction Block Cover At Junction Block
    GM1937020Courtesy of GENERAL MOTORS CORP.
  4. Install the junction block cover (1) to the junction block.
    5. Fig 5: Identifying Battery Cooling Duct At Battery Box Cover
    GM1937006Courtesy of GENERAL MOTORS CORP.
  5. Reposition the battery cooling duct (1) to the battery box cover.
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
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