For 1990-2009 cars

### 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 instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gages and Console.
3. Disconnect the electrical connector.
4. Remove the dome/panel dimmer switch (3).

### Installation Procedure

Notice: Align the switch onto the bezel. On the C model, snap the switch into position. On the B model, the switch is screw-mounted. Do not push on the thumbwheel during installation since damage to the switch may result.

1. Install the dome/panel dimmer switch (3).
2. Connect the electrical connector.
3. Install the instrument panel trim plate bezel.
4. Connect the negative battery cable.