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How to Replace Blower Motor Resistor 03-07 Cadillac CTS

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  1. step : Removing the Blower Motor (0:32)
    • Remove the two 8mm screws from the plastic cover underneath the passenger side dash
    • Remove the two Phillips head screws from the plastic cover
    • Release the two plastic retaining clips securing the panel
    • Disconnect the blower motor resistor
    • Remove the Phillips head screw from the resistor
    • Remove the blower motor resistor
  2. step : Installing the Blower Motor (2:02)
    • Insert the blower motor resistor into place
    • Tighten the screw to the blower motor resistor
    • Connect the blower motor connector
    • Insert the cover into place
    • Tighten the Phillips screw to the cover
    • Tighten the 8mm screws to the plastic cover

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Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.

In this video, we're going to be showing you how to replace the blower motor resistor in your 2003-2007 Cadillac CTS. The items you'll need for this repair are an eight millimeter socket and ratchet with an extension, as well as a Phillips head screwdriver.

Locate the plastic cover under the passenger's side of the dash. Remove these two eight millimeter screws at the back up against the firewall. There are also two Phillips head screws located at the front of the panel. Remove these with the Phillips head screwdriver. Release the two plastic retaining clips securing the panel under the dash. Pull down and hang it out of the way so you can access the blower motor resistor here in the heater box. Remove this electrical connector. A Phillips head screw with a number two Phillips head screwdriver. Remove the blower motor resistor from the housing.

Reinstall the blower motor resistor. Insert the Phillips head screw, and reconnect the connector. Pop the cover back into place under the dash. Reinstall the two Phillips head screws at the front of the under-dash cover. Reinstall your two eight millimeter screws at the back using an eight millimeter socket and ratchet.

Thanks for tuning in. We hope this video helped you out. Next time you need parts for your car, please visit 1AAuto.com. Also check out our other helpful how-to and diagnosis videos.

Tools needed for replacement:

    Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Screwdrivers & Related

  • Phillips Head Screwdriver

  • Sockets - Metric

  • 8mm Socket


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