GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 472129  Size: SH
  1. Disconnect the backup lamp switch electrical connector (3).
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the backup lamp switch.

Installation Procedure


    Object Number: 472129  Size: SH
  1. Apply pipe sealant with Teflon® to the threads of the backup lamp switch. Use GM P/N 1052080 or the equivalent.
  2. Install the backup lamp switch.
  3. Tighten
    Tighten the backup lamp switch to 38 N·m (28 lb ft).

  4. Connect the backup lamp switch electrical connector (3).
  5. Lower the vehicle.