Sierra 3500 2WD V8-6.0L VIN U (2004)
1. Remove the front nuts (2) on the underside of the seat cushion.
2. Remove the front seat trim panel.
3. Unsnap the lumbar cable (6). Disconnect the lumbar wire harness if equipped with power lumbar.
4. Disconnect the electrical connectors.
5. Remove the pressure sensor (2) from the front passenger seat frame, if equipped with the Inflatable Restraint Passenger Presence System.
