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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 >> Underhood Electrical Center or 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. GM4853651Courtesy of GENERAL MOTORS COMPANY

    Junction Block (2) - Install

    2. CAUTION:

    Refer to Fastener Caution .

  2. Junction Block Bolt (1) - Tighten[3x]3.75N.m (33 lb in)
  3. GM4853648Courtesy of GENERAL MOTORS COMPANY

    Install the wiring harness terminal (4)

  4. Instrument Panel Wiring Harness Terminal (3) - Install
  5. Fuse Block Wiring Harness Terminal Nut (2) - Install and tighten[2x]10N.m (89 lb in)
  6. Forward Lamp Wiring Harness Connector (1) - Install
  7. GM4853644Courtesy of GENERAL MOTORS COMPANY

    Fuse Block Cover(1) - Install

  8. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (Single Battery) , or Battery Negative Cable Disconnection and Connection (Dual Battery) .
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