For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
2. Disconnect the rough road sensor electrical connector and remove the rough road sensor.

### Installation Procedure

1. Install the rough road sensor and connect the electrical connector.
2. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.