GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1998 🢒 LSS 🢒 Body and Accessories 🢒 Doors 🢒 Front Door Switch Replacement

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the two trim panel retaining screw (Oldsmobile).
  3. Pull out on the lower pull-handle insert to disengage it from the switch plate (Oldsmobile).

    4. Object Number: 401140 Size: SH
  4. Insert a small, flat-blade tool between the switch plate and the trim panel at either the forward or rearward edge in order to disengage the retainer clips from the trim panel (Oldsmobile).
  5. Remove the switch plate by inserting a small flat-bladed tool between the switch plate and the trim panel at the forward retaining clip (Buick and Pontiac).
  6. Lift the switch plate (1).

    7. Object Number: 401147 Size: SH
  7. Disconnect the electrical connectors (2).
  8. Remove the setscrew from the remote mirror control, if applicable.
  9. Release the window switch fasteners.
  10. Remove the window switch (1).

Installation Procedure

    Object Number: 401147 Size: SH
  1. Install the window switch (2) to the switch plate (1).
  2. Install the remote mirror control.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the remote mirror set screw.

    4. Tighten
    Tighten the set screw to 0.8 N·m (7 lb in).

  4. Connect the electrical connectors.

    5. Object Number: 401140 Size: SH
  5. Install the switch plate (1) in the trim panel.

    6. Push inward the switch plate in order to secure.

  6. Connect the negative battery cable.