How to Replace Blower Motor Resistor 05-11 Honda Civic
Difficulty: Beginner · About 25 min · Honda Civic
Replace the blower motor resistor on a 2005–2011 Honda Civic by removing the lower dash trim, changing the resistor, and confirming fan operation.
Tools you will need
- 7mm socket and ratchet
- Trim clip tool
Parts and supplies
- Blower motor resistor
Steps
- Remove the lower dash trim
Release the lower panel's push clips and lower the trim to expose the resistor. Set the clips aside and avoid pulling on any wiring attached to the panel.
- Disconnect and remove the resistor
Remove the two 7mm screws holding the resistor. Disconnect its wiring harness by releasing the lock, then withdraw the resistor from the HVAC housing.
- Fit the replacement resistor
Position the replacement with its pointed end oriented toward the center console. Start both screws by hand, tighten them securely, and reconnect the wiring harness.
- Refit trim and verify speeds
Align the lower dash panel clips with their openings and press the trim back into place. Operate the fan at each speed to confirm the resistor and connector work properly.
Check your vehicle’s repair manual for exact specifications and fit.