1. Disconnect the wire from the negative terminal of the battery.

2. Pry up the cover of the additional resistor of the interior heater and remove it.

3. Disconnect the connector with wires from the resistor terminals...

4. ...unscrew the fastening screw...

5. ...and remove the additional interior heater resistor.
6. Install the additional interior heater resistor in the reverse order of removal.
