To replace the blower motor resistor, first disconnect the cable from the negative battery terminal. Then, working in the passenger compartment under the glove box, remove the lower dash panel and the glove box. Next, remove the mounting screws for the passenger's side heater duct and take out the duct. Disconnect the electrical connector from the blower motor resistor and remove the mounting screws to take out the resistor from the blower housing. For installation, reverse the removal steps and reconnect the battery. To replace the blower motor, repeat the initial steps of removing the lower dash panel and glove box, then disconnect the electrical connector from the blower motor and remove its mounting screws to take out the blower motor assembly. Remove the blower motor circlip and take off the blower fan from the motor. Again, installation is the reverse of removal, followed by reconnecting the battery.