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How to Change the Blower Motor Relay

by Ashton Daigle

Your car or truck's heater and air conditioners are powered by the blower motor. The blower motor pushes the warm or cold air through your vehicle's ventilation system. The blower motor is powered by a fuse-like device called a relay. If your heater or air conditioner does not blow air through the vents, this could indicate that the blower motor fuse has probably blown. While replacement is easy, the exact location of your blower motor fuse may vary from vehicle to vehicle.

Locate your vehicle's blower motor relay. In the vast majority of vehicles, you can access the relay through the glove compartment.

Open the glove box and empty its contents.

Locate the two tabs on each side of the open glove box and push them in. Doing this will drop down the glove box door, giving you more access to work.

Remove the relay motor's door panel by removing the two screws that hold it in place with a screwdriver.

Remove the relay by simply pulling it in an upward direction.

Install the new relay by pushing it down into the now empty slot.

Hold the relay motor's door panel in place and reinstall the screws that hold it shut.

Pull the glove box into the half-open position until you hear a click. This will let you know it is back in place. Replace the contents of your glove box and shut it.

Items you will need

References

About the Author

Ashton Daigle, a New Orleans native, graduated from Southeastern Louisiana University in 1998 and went straight to work as a journalist. In 2005 he tackled the biggest news story of his life - Hurricane Katrina. Daigle is writing a collection of essays: What It Means to be a Saints Fan.

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Photo Credits

  • 12 volt relais, relay image by Sascha Zlatkov from Fotolia.com