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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1422 (Body Rear End) >> Repair Instructions >> Wiring Harness Replacement - Liftgate >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the wiring harness to the liftgate as previously routed. See Figure. Ensure that the harness retainers are fully seated.
    2. Fig 1: Connecting Liftgate Power Lock Assembly Connectors
    GM749977Courtesy of GENERAL MOTORS CORP.
  2. Connect the 2 liftgate power lock assembly connectors (1,3).
    3. Fig 2: Connecting Rear Windshield Wiper Motor Connector
    GM749972Courtesy of GENERAL MOTORS CORP.
  3. Connect the rear windshield wiper motor connector (1).
  4. Connect the liftgate window latch connector.
  5. Connect the license plate lamp connector (1).
  6. Connect the electrical connectors (3) from the liftgate module.
    Fig 3: Connecting Liftgate Module Electrical Connectors
    GM749979Courtesy of GENERAL MOTORS CORP.
  7. Connect the rear windshield defogger connectors (2).
    Fig 4: View Of Liftgate Window Handle Bolts And Defogger Grid Electrical Connectors
    GM698542Courtesy of GENERAL MOTORS CORP.
  8. Connect the rear washer fluid supply line.
  9. Connect the liftgate wiring harness inline connector.
  10. Install the wiring harness passthrough boot to the liftgate.
    Fig 5: Identifying Wiring Harness Pass Through Boot To Liftgate
    GM749976Courtesy of GENERAL MOTORS CORP.
  11. Install the liftgate trim panel. Refer to Trim Panel Replacement - Liftgate (TrailBlazer, Envoy, Bravada)  or Trim Panel Replacement - Liftgate (TrailBlazer EXT, Envoy XL) .
  12. Install the liftgate window garnish molding. Refer to Garnish Molding Replacement - Rear Window in Interior Trim.
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