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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 660 (Wiring Systems (General Information)) >> Repair Instructions >> Underhood Electrical Center Or Junction Block Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the engine electrical center bracket assembly to the front fender.
  2. Install the 4 retaining bolts (1). Tighten the 4 retaining bolts (1) to 9 N.m (80 in lbs).
  3. Align the electrical center block (1) stubs in the slots so that the tabs (2) retains it in place.
  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 all connector bolts (1) to 9 N.m (80 in lbs).
  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. 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. Install the fender upper brace.
  12. Install the 4 fender upper brace bolts. Tighten the 4 retaining bolts to 25 N.m (18 ft lbs).
  13. Connect the negative battery cable.
  14. Start vehicle and ensure all components function properly.
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