What is fan speed resistor replacement?
When your fan only works on full speed, the resistor usually needs replacing.
The blower resistor sets the lower fan speeds. When it fails, only the highest speed works or the fan stops on some settings.
Signs you need it
- Fan only works on the highest setting
- Some fan speeds do not work
- Burning smell from the vents
How it works
- Test the resistor and wiring
- Replace the resistor
- Test all fan speeds
You can choose a workshop visit or have a professional come to your home, work or depot.
How much does it cost?
The exact price depends on your vehicle and the job. On MYLES, each professional shows a fixed price, a starting price, a range, or sends a quote — so you can compare like for like before you book.
- Resistor price
- Connector damage
- Blower motor wear
Tips
- A failing blower motor can kill resistors, so ask for both to be checked
- Fix quickly for winter demisting
Why it matters
Minor but important for comfort and demisting.