For 1990-2009 cars

### Removal Procedure

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

1. Disconnect the negative battery cable.
2. Remove the instrument panel carrier assembly. Refer to Instrument Panel Assembly Replacement.
3. Disconnect the pre heater wiring harness connector.
4. Remove the pre heater mounting screws.
5. Remove the pre heater.

### Installation Procedure

1. Install the pre heater with the screws.
2. Connect the pre heater wiring harness connector.
3. Install the instrument panel carrier assembly. Refer to Instrument Panel Assembly Replacement.
4. Connect the negative battery cable.