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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Wiring Systems And Power Management - Repair Instructions) >> Repair Instructions >> Body Wiring Harness Junction Block Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM4852636Courtesy of GENERAL MOTORS COMPANY

    Install body wiring harness junction block (2) to the base.

  2. CAUTION:

    Refer to Fastener Caution .

  3. Body Wiring Harness Terminal Bolt (1) - Tighten[2x]3.5N.m (31 lb in)
  4. GM4852631Courtesy of GENERAL MOTORS COMPANY

    Install the wiring harness.(1)

  5. GM4852616Courtesy of GENERAL MOTORS COMPANY

    Connect all electrical connectors.(1)

  6. GM4852609Courtesy of GENERAL MOTORS COMPANY

    Instrument Panel Wiring Harness Terminal (2) - Install

  7. Instrument Panel Wiring Harness Junction Block Nut (1) - Install and tighten10N.m (89 lb in)
  8. GM4852607Courtesy of GENERAL MOTORS COMPANY

    Fuse Block Cover(1) - Install

  9. Starter Solenoid Cable Nut(1) - Install and tighten 12 N.m (106 lb in).
  10. GM4848136Courtesy of GENERAL MOTORS COMPANY

    Install the Left Hand Seat. Front Seat Removal and Installation

  11. Battery Negative Cable - Install - Battery Negative Cable Disconnection and Connection (Single Battery) , or Battery Negative Cable Disconnection and Connection (Dual Battery)