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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Manual Transmission - TREMEC 6-Speed (M3L Mg9)) >> Repair Instructions - On Vehicle >> Backup Lamp Switch Replacement (M3L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Backup Lamp Switch
    GM2838572Courtesy of GENERAL MOTORS COMPANY
  1. Apply sealant to the threads of the backup lamp switch. Refer to Adhesives, Fluids, Lubricants, and Sealers (M3L)  for the recommended sealant material.
  2. CAUTION:

    Refer to Fastener Caution .

  3. Install the backup lamp switch (2) and tighten the switch to 27 N.m (20 lb ft).
  4. Fig 2: Backup Lamp Switch Electrical Connector
    GM2838600Courtesy of GENERAL MOTORS COMPANY
  5. Connect the backup lamp switch electrical connector (1).
  6. Lower the vehicle.