The heater blower resister is under the dash on the passenger side. It is inserted into the side of the blower motor case.
The year, make and model info would help but generally the heater blower motor resister is located close by the heater blower motor.
where is renault master fan resister
rmove the windshield battery, and you can reach in and feel the risistir and plug, it is held in place with two screws, Philip head, they are hard to get to withot removeing the heater blower.
I found the resister, it is a small module held by 2 small screws on the base of the heater blower behind the glove box.
The most likely problem with the heater blower on your 2003 Sable is the blower resister. The resister can go bad and cause you to only have one speed.
You most likely will have a bad blower resister........
location of heater blower resistor 2005 renault laguna
resister is located on the plenum next to the blower motor under the hood
should be the connector in the ac housing closest to the blower motor
how do you change heater blower resister merc a class
Check the blower resister